message: Fix userId undefined in pillifyLinks
diff: @@ -186,13 +186,15 @@ module.exports = React.createClass({
  let roomId;
  let room;
  let member;
  + let userId;
  switch (resourceType) {
  case "user":
  roomId = this.props.mxEvent.getRoomId();
  room = MatrixClientPeg.get().getRoom(roomId);
  - member = room.getMember(resourceId) ||
  - new RoomMember(null, resourceId);
  - avatar = <MemberAvatar member={member} width={16} height={16} name={resourceId}/>;
  + userId = resourceId;
  + member = room.getMember(userId) ||
  + new RoomMember(null, userId);
  + avatar = <MemberAvatar member={member} width={16} height={16} name={userId}/>;
  break;
  case "room":
  room = resourceId[0] === '#' ?
  