message: Use range-for in StructureManager::dropAllStructures
diff: @@ -352,9 +352,9 @@ int StructureManager::destroyed()
  void StructureManager::dropAllStructures()
  {
  - for (auto map_it = mStructureTileTable.begin(); map_it != mStructureTileTable.end(); ++map_it)
  + for (auto pair : mStructureTileTable)
  {
  - map_it->second->deleteThing();
  + pair.second->deleteThing();
  }
  mStructureTileTable.clear();
  