prio_queue_reverse: don't swap elements with themselves

diff --git a/prio-queue.c b/prio-queue.c
index e4365b00d6c3366e6753fc6da3fe1a165ab1222d..76782b66d4dde5bf01190963b19c403856756860 100644 (file)
--- a/prio-queue.c
+++ b/prio-queue.c
@@ -23,7 +23,7 @@ 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);
 }