$NetBSD: patch-ad,v 1.1 1999/11/01 10:23:45 sakamoto Exp $

--- ./sbr/showfile.c.orig	Wed Dec  1 13:01:26 1993
+++ ./sbr/showfile.c	Mon Nov  1 19:13:30 1999
@@ -3,4 +3,7 @@
 #include "../h/mh.h"
 #include <stdio.h>
+#ifdef	UNISTD
+#include <unistd.h>
+#endif