message: fixed 4.15 compilation
diff: @@ -1869,7 +1869,9 @@ PyObject *py_unreal_engine_add_level_to_world(PyObject *self, PyObject * args)
  return PyErr_Format(PyExc_Exception, "unable to add \"%s\" to the world", name);
  }
  +#if ENGINE_MINOR_VERSION >= 16
  FEditorDelegates::RefreshLevelBrowser.Broadcast();
  +#endif
  Py_RETURN_UOBJECT(level_streaming);
  }
  