Merge branch 'jk/prio-queue-avoid-swap-with-self'

Code clean-up.

* jk/prio-queue-avoid-swap-with-self:
  prio_queue_reverse: don't swap elements with themselves

Author: gitster

prio-queue.c

@@ -21,7 +21,7 @@ void prio_queue_reverse(struct prio_queue *queue)
 
 	if (queue->compare != NULL)
 		die("BUG: prio_queue_reverse() on non-LIFO queue");
-	for (i = 0; i <= (j = (queue->nr - 1) - i); i++)
+	for (i = 0; i < (j = (queue->nr - 1) - i); i++)
 		swap(queue, i, j);
 }