Fixed PVS Studio false positive.

diff --git a/imgui.cpp b/imgui.cpp
index 2eee9d8..e8b16a7 100644
--- a/imgui.cpp
+++ b/imgui.cpp

@@ -8228,7 +8228,7 @@
         // Set default BgClickFlags
         // This is set at the end of this function, so UpdateWindowManualResize()/ClampWindowPos() may use last-frame value if overridden by user code.
         // FIXME: The general intent is that we will later expose config options to default to enable scrolling + select scrolling mouse button.
-        window->BgClickFlags = (flags & ImGuiWindowFlags_ChildWindow) ? parent_window->BgClickFlags : (g.IO.ConfigWindowsMoveFromTitleBarOnly ? ImGuiWindowBgClickFlags_None : ImGuiWindowBgClickFlags_Move);
+        window->BgClickFlags = (flags & ImGuiWindowFlags_ChildWindow) ? parent_window->BgClickFlags : (g.IO.ConfigWindowsMoveFromTitleBarOnly ? ImGuiWindowBgClickFlags_None : ImGuiWindowBgClickFlags_Move); // -V1004
 
         // We fill last item data based on Title Bar/Tab, in order for IsItemHovered() and IsItemActive() to be usable after Begin().
         // This is useful to allow creating context menus on title bar only, etc.

diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index a9759c0..35ac29f 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp

@@ -722,6 +722,7 @@
 
 void ImDrawList::_SetPixelDensity(float pixel_density)
 {
+    IM_ASSERT(pixel_density > 0.0f);
     _FringeScale = 1.0f / pixel_density;
     _InvFringeScale = pixel_density;
 }