$NetBSD: patch-ab,v 1.1 2008/07/30 10:54:10 schmonz Exp $

--- leapsecs_read.c.orig	1998-09-04 22:33:37.000000000 -0400
+++ leapsecs_read.c
@@ -2,6 +2,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <unistd.h>
 extern int errno;
 #include "tai.h"
 #include "leapsecs.h"