$NetBSD: patch-ad,v 1.1 2003/08/30 20:34:14 reed Exp $

--- src/Window.cc.orig	2002-09-17 08:23:35.000000000 -0700
+++ src/Window.cc
@@ -44,6 +44,8 @@ extern "C" {
 #endif // HAVE_STDLIB_H
 }
 
+#include <cassert>
+
 #include "i18n.hh"
 #include "blackbox.hh"
 #include "GCCache.hh"