message: Call isGuest correctly
diff: @@ -1193,7 +1193,7 @@ export default React.createClass({
  room_id: localStorage.getItem('mx_last_room_id'),
  });
  } else {
  - if (MatrixClientPeg.get().isGuest) {
  + if (MatrixClientPeg.get().isGuest()) {
  dis.dispatch({action: 'view_welcome_page'});
  } else {
  dis.dispatch({action: 'view_home_page'});
  