$OpenBSD: patch-WINGs_array_c,v 1.2 2010/05/20 10:58:08 espie Exp $
--- WINGs/array.c.orig	Tue Oct 12 20:28:08 2004
+++ WINGs/array.c	Thu May 20 12:50:56 2010
@@ -230,6 +230,8 @@ WMGetFromArray(WMArray *array, int index)
 void*
 WMPopFromArray(WMArray *array)
 {
+    wassertr(array->itemCount > 0);
+
     array->itemCount--;
 
     return array->items[array->itemCount];