Fixed building with Visual Studio 2019
diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
index e0c933b..ce2f030 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
@@ -499,7 +499,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlibd.lib;msvcrtd.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlibd;msvcrtd;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

@@ -513,7 +514,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlib.lib;msvcrt.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlib;msvcrt;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|arm'">

@@ -527,7 +529,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlibd.lib;msvcrtd.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlibd;msvcrtd;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|arm'">

@@ -541,7 +544,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlib.lib;msvcrt.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlib;msvcrt;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

@@ -555,7 +559,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlibd.lib;msvcrtd.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlibd;msvcrtd;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

@@ -569,7 +574,8 @@
       <SubSystem>Console</SubSystem>

       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>

       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>

-      <AdditionalDependencies>xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <AdditionalDependencies>vccorlib.lib;msvcrt.lib;xinput.lib;mmdevapi.lib;d2d1.lib;d3d11.lib;dxgi.lib;ole32.lib;windowscodecs.lib;dwrite.lib;kernel32.lib;%(AdditionalDependencies)</AdditionalDependencies>

+      <IgnoreSpecificDefaultLibraries>vccorlib;msvcrt;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>

     </Link>

   </ItemDefinitionGroup>

   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
index 1227e88..d76e742 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
@@ -432,6 +432,12 @@
     <ClInclude Include="..\..\src\events\SDL_displayevents_c.h">

       <Filter>Source Files</Filter>

     </ClInclude>

+    <ClInclude Include="..\..\src\locale\winrt\SDL_syslocale.c">

+      <Filter>Source Files</Filter>

+    </ClInclude>

+    <ClInclude Include="..\..\src\locale\SDL_locale.c">

+      <Filter>Source Files</Filter>

+    </ClInclude>

   </ItemGroup>

   <ItemGroup>

     <ClCompile Include="..\..\src\atomic\SDL_atomic.c">

@@ -602,12 +608,6 @@
     <ClCompile Include="..\..\src\SDL_log.c">

       <Filter>Source Files</Filter>

     </ClCompile>

-    <ClCompile Include="..\..\src\locale\SDL_locale.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="..\..\src\locale\winrt\SDL_syslocale.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c">

       <Filter>Source Files</Filter>

     </ClCompile>