message: Use `auto&` when fetching Renderer in Map
diff: @@ -326,7 +326,7 @@ bool TileMap::tileHighlightVisible() const
  void TileMap::draw()
  {
  - Renderer& renderer = Utility<Renderer>::get();
  + auto& renderer = Utility<Renderer>::get();
  int tsetOffset = mCurrentDepth > 0 ? TILE_HEIGHT : 0;
  