A fix for Bug#32724 "innodb_mysql.test fails randomly".

Enable back the disabled test case.

mysql-test/t/disabled.def

@@ -16,7 +16,6 @@ ctype_big5               : BUG#26711 2007-06-21 Lars Test has never worked on Do
 
 federated_transactions   : Bug#29523 Transactions do not work
 lowercase_table3         : Bug#32667 lowercase_table3.test reports to error log
-innodb_mysql         : Bug#32724: innodb_mysql.test fails randomly
 ctype_create         : Bug#32965 main.ctype_create fails
 status               : Bug#32966 main.status fails
 ps_ddl               : Bug#12093 2007-12-14 pending WL#4165 / WL#4166

sql/sql_parse.cc

@@ -3301,6 +3301,7 @@ mysql_execute_command(THD *thd)
         can free its locks if LOCK TABLES locked some tables before finding
         that it can't lock a table in its list
       */
+      ha_autocommit_or_rollback(thd, 1);
       end_active_trans(thd);
       thd->options&= ~(OPTION_TABLE_LOCK);
     }