Stabilize rocksdb.rocksdb test.

storage/rocksdb/mysql-test/rocksdb/r/rocksdb.result

@@ -278,12 +278,12 @@ j
 1
 4
 EXPLAIN
-SELECT * FROM t10, t11 WHERE i=j;
+SELECT * FROM t11 straight_join t10 WHERE i=j;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t11	index	PRIMARY	PRIMARY	4	NULL	#	Using index
 1	SIMPLE	t10	eq_ref	PRIMARY	PRIMARY	4	test.t11.j	#	Using index
-SELECT * FROM t10, t11 WHERE i=j;
-i	j
+SELECT * FROM t11 straight_join t10 WHERE i=j;
+j	i
 1	1
 DROP TABLE t10,t11;
 #

storage/rocksdb/mysql-test/rocksdb/t/rocksdb.test

@@ -266,8 +266,8 @@ select * from t10;
 select * from t11;
 --replace_column 9 #
 EXPLAIN
-SELECT * FROM t10, t11 WHERE i=j;
-SELECT * FROM t10, t11 WHERE i=j;
+SELECT * FROM t11 straight_join t10 WHERE i=j;
+SELECT * FROM t11 straight_join t10 WHERE i=j;
 
 DROP TABLE t10,t11;