$NetBSD: patch-ae,v 1.1 2006/03/14 02:21:46 joerg Exp $

--- ping.c.orig	2006-03-14 02:14:39.000000000 +0000
+++ ping.c
@@ -47,7 +47,6 @@ SOFTWARE.
 
 static char buffer[MAXPACKET];
 static unsigned short sequence =0;
-extern int errno;
 #define MAX_DUP_CHK (8 * 128)
 static int mx_dup_ck = MAX_DUP_CHK;
 static char rcvd_tbl[MAX_DUP_CHK / 8];