message: Use `auto&` when fetching Renderer in main
diff: @@ -112,7 +112,7 @@ int main(int /*argc*/, char *argv[])
  WindowEventWrapper _wew;
  - Renderer& renderer = Utility<Renderer>::init<RendererOpenGL>("OutpostHD");
  + auto& renderer = Utility<Renderer>::init<RendererOpenGL>("OutpostHD");
  std::cout << std::endl << "** GAME START **" << std::endl << std::endl;
  