message: Fixed DXILUtilsStub on Mac/iOS
diff: namespace Diligent
  {
  -IDXCompiler* CreateDXCompiler(DXCompilerTarget Target, const char* pLibraryName)
  +std::unique_ptr<IDXCompiler> CreateDXCompiler(DXCompilerTarget Target, const char* pLibraryName)
  {
  - return nullptr;
  + return {};
  }
  } // namespace Diligent
  