prioq: never shuffle identical entries

Skip shuffling identical entries in shuffle_up(), just like we already do
in shuffle_down().

1 files changed, 1 insertions, 1 deletions

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index b89888be0e..5e567b181d 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -101,7 +101,7 @@ static unsigned shuffle_up(Prioq *q, unsigned idx) {
 
                 k = (idx-1)/2;
 
-                if (q->compare_func(q->items[k].data, q->items[idx].data) < 0)
+                if (q->compare_func(q->items[k].data, q->items[idx].data) <= 0)
                         break;
 
                 swap(q, idx, k);