Missing DBUG_RETURN in open_table_uncached()

diff --git a/sql/sql_base.cc b/sql/sql_base.cc

index c400598..18199a0 100644

--- a/sql/sql_base.cc

+++ b/sql/sql_base.cc

@@ -5676,7 +5677,7 @@ TABLE *open_table_uncached(THD *thd, handlerton *hton,

     /* Temporary tables are not safe for parallel replication. */

     if (thd->rgi_slave && thd->rgi_slave->is_parallel_exec &&

         thd->wait_for_prior_commit())

-      return NULL;

+      DBUG_RETURN(NULL);

   }

   /* Create the cache_key for temporary tables */