message: Use reference syntax for `tile`
diff: @@ -74,12 +74,12 @@ static bool routeObstructed(Route& route)
  {
  for (auto tileVoidPtr : route.path)
  {
  - Tile* tile = static_cast<Tile*>(tileVoidPtr);
  + auto& tile = *static_cast<Tile*>(tileVoidPtr);
  // \note Tile being occupied by a robot is not an obstruction for the
  // purposes of routing/pathing.
  - if (tile->thingIsStructure() && !tile->structure()->isRoad()) { return true; }
  - if (tile->index() == TerrainType::Impassable) { return true; }
  + if (tile.thingIsStructure() && !tile.structure()->isRoad()) { return true; }
  + if (tile.index() == TerrainType::Impassable) { return true; }
  }
  return false;
  