Fix Bug#22819, remove assertion. (http://bugs.mysql.com/bug.php?id=22819)

lock/lock0lock.c

@@ -4423,12 +4423,9 @@ lock_table_queue_validate(
 	dict_table_t*	table)	/* in: table */
 {
 	lock_t*	lock;
-	ibool	is_waiting;
 
 	ut_ad(mutex_own(&kernel_mutex));
 
-	is_waiting = FALSE;
-
 	lock = UT_LIST_GET_FIRST(table->locks);
 
 	while (lock) {
@@ -4438,13 +4435,10 @@ lock_table_queue_validate(
 
 		if (!lock_get_wait(lock)) {
 
-			ut_a(!is_waiting);
-
 			ut_a(!lock_table_other_has_incompatible(
 				     lock->trx, 0, table,
 				     lock_get_mode(lock)));
 		} else {
-			is_waiting = TRUE;
 
 			ut_a(lock_table_has_to_wait_in_queue(lock));
 		}