Code review comment for lp:~gl-az/percona-server/ST-31919-5.1

Since I merged a previous version of this MP (yay!), will create a new MP to revert

@@ -2591,14 +2598,14 @@
 int ha_federated::rnd_end()
 {
   DBUG_ENTER("ha_federated::rnd_end");
- DBUG_RETURN(index_end());
+ active_index= MAX_KEY;
+ DBUG_RETURN(0);
 }

and

-
+
 int ha_federated::external_lock(THD *thd, int lock_type)