Update expected/multi_metadata_access

src/test/regress/expected/multi_metadata_access.out

@@ -19,9 +19,10 @@ WHERE
     AND nsp.nspname = 'pg_catalog'
     AND NOT has_table_privilege(pg_class.oid, 'select');
                 oid                
-------------------
+-----------------------------------
+ pg_dist_enabled_custom_aggregates
  pg_dist_authinfo
-(1 row)
+(2 rows)
 
 RESET role;
 DROP USER no_access;