message: Use Vector comparison to validate mousemap size
diff: @@ -252,7 +252,7 @@ void TileMap::buildMouseMap()
  Image mousemap("ui/mouse_map.png");
  // More sanity checks (mousemap should match dimensions of tile)
  - if (mousemap.width() != TILE_WIDTH || mousemap.height() != TILE_HEIGHT_ABSOLUTE)
  + if (mousemap.size() != Vector{TILE_WIDTH, TILE_HEIGHT_ABSOLUTE})
  {
  throw std::runtime_error("Mouse map is the wrong dimensions.");
  }
  