--- files/rwregress.cc.orig	Tue Feb  5 06:01:24 2002
+++ files/rwregress.cc	Sat Aug 16 17:30:00 2003
@@ -6,6 +6,7 @@
 #include <iostream>
 #include "utils.h"
 #include <strstream>
+#include <cassert>
 
 using std::cout;
 using std::endl;