From 2b859633a116fbf0bc73de4e9315200648f778af Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Sun, 15 Jul 2012 19:42:09 +0200
Subject: [PATCH] fix the fix wl_reverse() for empty lists

---
 src/misc/wlist.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/misc/wlist.c b/src/misc/wlist.c
index df90efe79..ad0557155 100644
--- a/src/misc/wlist.c
+++ b/src/misc/wlist.c
@@ -155,14 +155,17 @@ wl_append(wordlist *wlist, wordlist *nwl)
 wordlist *
 wl_reverse(wordlist *wl)
 {
-    while (wl) {
+    if (!wl)
+        return wl;
+
+    for (;;) {
          wordlist *t = wl->wl_next;
          wl->wl_next = wl->wl_prev;
          wl->wl_prev = t;
+         if (!t)
+             return wl;
          wl = t;
     }
-
-    return wl;
 }