ICU-20795 BRS65 ICU4C Samples: case sample should use DLL runtime to prevent assertion failures.
diff --git a/icu4c/source/samples/case/case.vcxproj b/icu4c/source/samples/case/case.vcxproj
index db4874b..7620fa5 100644
--- a/icu4c/source/samples/case/case.vcxproj
+++ b/icu4c/source/samples/case/case.vcxproj
@@ -59,7 +59,7 @@
       <TypeLibraryName>.\x86\Debug/case.tlb</TypeLibraryName>
     </Midl>
     <ClCompile>
-      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <PrecompiledHeaderOutputFile>.\x86\Debug/case.pch</PrecompiledHeaderOutputFile>
@@ -84,7 +84,7 @@
       <TypeLibraryName>.\x64\Debug/case.tlb</TypeLibraryName>
     </Midl>
     <ClCompile>
-      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <PrecompiledHeaderOutputFile>.\x64\Debug/case.pch</PrecompiledHeaderOutputFile>
@@ -112,7 +112,7 @@
     </Midl>
     <ClCompile>
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
-      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader>
       </PrecompiledHeader>
@@ -138,7 +138,7 @@
     </Midl>
     <ClCompile>
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
-      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader>
       </PrecompiledHeader>