Refs: MW-369 * changed insert for a FK child table to take exclusive lock on FK parent table

storage/xtradb/row/row0ins.cc

@@ -1652,7 +1652,7 @@ row_ins_check_foreign_constraint(
 						foreign,
 						rec, 
 						check_index, 
-						check_ref, TRUE);
+						check_ref, FALSE);
 #endif /* WITH_WSREP */
 					goto end_scan;
 				} else if (foreign->type != 0) {