message: fix errors when trying to switch room
diff: @@ -28,6 +28,7 @@ export default class RoomGridView extends React.Component {
  this.state = {
  roomStores: OpenRoomsStore.getRoomStores(),
  };
  + this.onRoomsChanged = this.onRoomsChanged.bind(this);
  }
  componentWillMount() {
  @@ -39,7 +40,7 @@ export default class RoomGridView extends React.Component {
  componentWillUnmount() {
  this._unmounted = true;
  if (this._openRoomsStoreRegistration) {
  - this._openRoomsStoreRegistration.unregister();
  + this._openRoomsStoreRegistration.remove();
  }
  dis.unregister(this._dispatcherRef);
  }
  