message: fixed a wrong typecasting
diff: @@ -1882,15 +1882,15 @@ PyObject *py_unreal_engine_add_level_to_world(PyObject *self, PyObject * args)
  streaming_mode_class = ULevelStreamingAlwaysLoaded::StaticClass();
  }
  - ULevel *level = (ULevel *)EditorLevelUtils::AddLevelToWorld(u_world, UTF8_TO_TCHAR(name), streaming_mode_class);
  - if (!level)
  + ULevelStreaming *level_streaming = EditorLevelUtils::AddLevelToWorld(u_world, UTF8_TO_TCHAR(name), streaming_mode_class);
  + if (!level_streaming)
  {
  return PyErr_Format(PyExc_Exception, "unable to add \"%s\" to the world", name);
  }
  FEditorDelegates::RefreshLevelBrowser.Broadcast();
  - ue_PyUObject *ret = ue_get_python_wrapper(level);
  + ue_PyUObject *ret = ue_get_python_wrapper(level_streaming);
  if (!ret)
  return PyErr_Format(PyExc_Exception, "uobject is in invalid state");
  