$NetBSD: patch-ah,v 1.1.1.1 2000/02/22 03:50:59 hubertf Exp $

--- lib/isc/unix/ifiter_sysctl.c.orig	Mon Feb 21 15:20:39 2000
+++ lib/isc/unix/ifiter_sysctl.c	Mon Feb 21 15:21:05 2000
@@ -21,6 +21,8 @@
  * and 19.16.
  */ 
 
+#include <errno.h>
+
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
