Reformat repo to clang-format 7.0 rules

Source/Core/Core/State.h

@@ -61,4 +61,4 @@ void Flush();
 // for calling back into UI code without introducing a dependency on it in core
 using AfterLoadCallbackFunc = std::function<void()>;
 void SetOnAfterLoadCallback(AfterLoadCallbackFunc callback);
-}
+}  // namespace State