$NetBSD: patch-ao,v 1.1 1999/11/01 10:23:46 sakamoto Exp $

--- ./uip/wmh.c.orig	Fri Apr 24 06:02:00 1998
+++ ./uip/wmh.c	Mon Nov  1 19:13:30 1999
@@ -29,4 +29,7 @@
 #include	<locale.h>
 #endif
+#ifdef	UNISTD
+#include <unistd.h>
+#endif