message: fix radio for theme selection
diff: @@ -729,6 +729,7 @@ module.exports = React.createClass({
  // to rebind the onChange each time we render
  const onChange = (e) => {
  if (e.target.checked) {
  + this._syncedSettings[setting.id] = setting.value;
  UserSettingsStore.setSyncedSetting(setting.id, setting.value);
  }
  dis.dispatch({
  @@ -741,7 +742,7 @@ module.exports = React.createClass({
  type="radio"
  name={ setting.id }
  value={ setting.value }
  - defaultChecked={ this._syncedSettings[setting.id] === setting.value }
  + checked={ this._syncedSettings[setting.id] === setting.value }
  onChange={ onChange }
  />
  <label htmlFor={ setting.id + "_" + setting.value }>
  