Code review feedback

Src/PlatformHelpers.h

@@ -74,7 +74,7 @@ namespace DirectX
 
     struct handle_closer { void operator()(HANDLE h) { if (h) CloseHandle(h); } };
 
-    typedef public std::unique_ptr<void, handle_closer> ScopedHandle;
+    typedef std::unique_ptr<void, handle_closer> ScopedHandle;
 
     inline HANDLE safe_handle( HANDLE h ) { return (h == INVALID_HANDLE_VALUE) ? 0 : h; }
 }