From a6afff2c4ab177011d4cd59fe5c3a766d2fa053a Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sat, 14 Jan 2012 09:32:54 -0600
Subject: [PATCH] fix potential segfault in win_extents

---
 compton.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compton.c b/compton.c
index 0dbebae..606982b 100644
--- a/compton.c
+++ b/compton.c
@@ -855,7 +855,7 @@ win_extents(Display *dpy, win *w) {
   r.height = w->a.height + w->a.border_width * 2;
 
   // check NUM_WINTYPES to prevent segfault
-  if (w->window_type
+  if (w->window_type >= 0
       && w->window_type < NUM_WINTYPES
       && win_type_shadow[w->window_type]) {
     XRectangle sr;