Delegate memory leak detection to CRT

_CrtDumpMemoryLeaks() direct call misreports heap allocations owned by
globally initialized objects.

Using _CRTDBG_LEAK_CHECK_DF delays the memory leak check until after
globally initialized objects are destroyed.

Signed-off-by: Simon Rozman <simon@rozman.si>

MsiUseFeature/Main.cpp

@@ -84,7 +84,8 @@ int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
     UNREFERENCED_PARAMETER(lpCmdLine);
     UNREFERENCED_PARAMETER(nCmdShow);
 
+    _CrtSetDbgFlag(_crtDbgFlag | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_CHECK_CRT_DF | _CRTDBG_LEAK_CHECK_DF);
+
     int res = MsiUseFeature();
-    assert(!_CrtDumpMemoryLeaks());
     return res;
 }