--- src/Gen.boot/unpk.cc.orig	Fri Jul 18 12:32:38 2003
+++ src/Gen.boot/unpk.cc	Fri Jul 18 12:33:58 2003
@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <string>
 #include <stdlib.h>
+#include <assert.h>
 #include "k.h"
 #include "unpk.h"