Make clang happier

[chaz/openbox] / openbox / stacking.c

diff --git a/openbox/stacking.c b/openbox/stacking.c
index 3c05df49c64c0c23f470a87aa4e090ee33fb4d29..2a34f71dc4eea10305c1037a0ae24b64d9d4025b 100644 (file)
--- a/openbox/stacking.c
+++ b/openbox/stacking.c
@@ -69,6 +69,8 @@ static void do_restack(GList *wins, GList *before)
 
 #ifdef DEBUG
     GList *next;
+
+    g_assert(wins);
     /* pls only restack stuff in the same layer at a time */
     for (it = wins; it; it = next) {
         next = g_list_next(it);