/**
  * Configure the history item's properties.
  * Makes sure that the branch information is compared when the main object is
  * stored.
  * @param AUDITABLE $obj The object to be stored.
  * @param HISTORY_ITEM $history_item
  * @access private
  */
 protected function _adjust_history_item($obj, $history_item)
 {
     parent::_adjust_history_item($obj, $history_item);
     $history_item->compare_branches = true;
 }