message: fix a crash when requesting stream stats in a p2p room
diff: @@ -995,7 +995,7 @@ var listen = function () {
  log.info('message: bad getStreamStats request');
  return;
  }
  - if (socket.room !== undefined){
  + if (socket.room !== undefined && !socket.room.p2p) {
  socket.room.controller.getStreamStats(streamId, function (result) {
  callback(result);
  });
  