message: Handle lack of room directory visibility response
diff: @@ -150,7 +150,7 @@ module.exports = React.createClass({
  MatrixClientPeg.get().getRoomDirectoryVisibility(
  this.props.room.roomId,
  - ).done((result) => {
  + ).done((result = {}) => {
  this.setState({ isRoomPublished: result.visibility === "public" });
  this._originalIsRoomPublished = result.visibility === "public";
  }, (err) => {
  