MDEV-508 - wsrep revno can be either a number or XXXX, test should

           be able to handle both

mysql-test/suite/percona/innodb_sys_index.test

@@ -5,7 +5,7 @@ drop table if exists t1;
 #
 # test for bug LP#875797 "Using 'innodb_sys_indexes' causes core dump"
 #
---replace_regex /wsrep_[0-9]+\.[a-zA-Z0-9]+\.r[0-9]+/wsrep_X.Y.rZ/
+--replace_regex /wsrep_[0-9]+\.[a-zA-Z0-9]+\.r[0-9X]+/wsrep_X.Y.rZ/
 select @@version_comment limit 1 ;
 --disable_result_log
 SELECT COUNT(*) FROM `information_schema`.`INNODB_SYS_INDEXES` ;