$NetBSD$

* Include a proper header file.

--- zotnet/tws/date.c.orig	1993-12-01 04:01:43.000000000 +0000
+++ zotnet/tws/date.c
@@ -1,6 +1,7 @@
 /* date.c */
 
 #include "tws.h"
+#include <stdlib.h>
 #include <stdio.h>
 
 
