$NetBSD: patch-ay,v 1.2 2015/12/29 23:34:52 dholland Exp $

Use standard headers.

--- util.c.orig	2000-10-31 23:53:40.000000000 +0100
+++ util.c
@@ -4,7 +4,10 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/file.h>	/* needed by HP-UX */
+#include <sys/wait.h>	/* needed by NetBSD */
 #include <fcntl.h>	/* needed by HP-UX */
+#include <string.h>	/* needed by NetBSD */
+#include <unistd.h>	/* needed by NetBSD */
 #include "gen.h"
 #include "util.h"
 #include "paths.h"
