* Use excessive parentheses to stop compiler warning

* Fix test results to account for changes in previous cset

mysql-test/r/select.result

@@ -3585,7 +3585,6 @@ INSERT INTO t2 VALUES (1,'a'),(2,'b'),(3,'c');
 EXPLAIN SELECT t1.a FROM t1 LEFT JOIN t2 ON t2.b=t1.b WHERE t1.a=3;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
-1	SIMPLE	t2	const	b	b	22	const	1	Using index
 DROP TABLE t1,t2;
 CREATE TABLE t1(id int PRIMARY KEY, b int, e int);
 CREATE TABLE t2(i int, a int, INDEX si(i), INDEX ai(a));

sql/sql_select.cc

@@ -16963,9 +16963,9 @@ static void print_join(THD *thd,
        CREATE VIEW. There we'll have nested_join->used_tables==0.
     */
     if (eliminated_tables &&  // (*)
-        (curr->table && (curr->table->map & eliminated_tables) ||
-         curr->nested_join && !(curr->nested_join->used_tables &
-                                ~eliminated_tables)))
+        ((curr->table && (curr->table->map & eliminated_tables)) ||
+         (curr->nested_join && !(curr->nested_join->used_tables &
+                                ~eliminated_tables))))
     {
       continue;
     }