diff -Nru spamprobe-1.4b.orig/src/includes/Buffer.h spamprobe-1.4b/src/includes/Buffer.h
--- spamprobe-1.4b.orig/src/includes/Buffer.h	2006-11-26 17:58:49.451810426 +0100
+++ spamprobe-1.4b/src/includes/Buffer.h	2006-11-26 18:01:37.872007426 +0100
@@ -32,6 +32,7 @@
 #define _Buffer_h
 
 #include "Array.h"
+#include <cassert>
 
 //
 // Similar to Array but handles variable length.