message: Add prop type for onDifferentServerClicked
diff: @@ -34,6 +34,8 @@ export default React.createClass({
  displayName: 'SetMxIdDialog',
  propTypes: {
  onFinished: React.PropTypes.func.isRequired,
  + // Called when the user requests to register with a different homeserver
  + onDifferentServerClicked: React.PropTypes.func.isRequired,
  },
  getInitialState: function() {
  