From 075de3c919a73245ccbc7f8edec769a6e44074a6 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Wed, 4 Nov 2015 15:00:15 +0100
Subject: [PATCH] math is hard, typing is harder. bugfix. thank you, valgrind
 my friend.

---
 src/util/log.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/log.c b/src/util/log.c
index 9f5f0abb2..29b0e1151 100644
--- a/src/util/log.c
+++ b/src/util/log.c
@@ -84,7 +84,7 @@ void log_rotate(const char *filename, int maxindex)
 
         sprintf(buffer[dst], "%s.%d", filename, maxindex);
         while (maxindex > 0) {
-            int err, src = dst - 1;
+            int err, src = 1 - dst;
             sprintf(buffer[src], "%s.%d", filename, --maxindex);
             err = rename(buffer[src], buffer[dst]);
             if (err != 0) {