$NetBSD: patch-aa,v 1.3 2003/07/14 17:06:35 jmmv Exp $

--- prog/checker_string.cpp.orig	2002-09-26 04:42:42.000000000 +0200
+++ prog/checker_string.cpp
@@ -4,6 +4,7 @@
 // license along with this library if you did not you can find
 // it at http://www.gnu.org/.
 
+#include <assert.h>
 #include "checker_string.hpp"
 #include "speller.hpp"
 #include "document_checker.hpp"