- if net/libpcap from ports is install, net/arping bombs b/c of errors in pcap.h

fix this.  Versions of this patch are committed upstream.

- Bump PORTREVISION

PR:             ports/151263
Submitted by:   Lucius Windschuh <lwindschuh@gmail.com>
Approved by:    maintainer timeout (gavin ; 67 days)

net/arping/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	arping
 PORTVERSION=	2.09
+PORTREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	http://www.habets.pp.se/synscan/files/
 

net/arping/files/patch-src__arping.c

@@ -0,0 +1,22 @@
+--- ./src/arping.c.orig	2010-12-15 02:40:26.572881702 +0000
++++ ./src/arping.c	2010-12-15 02:41:01.891883112 +0000
+@@ -75,15 +75,15 @@
+ #include <libnet.h>
+ #endif
+ 
++#if HAVE_NET_BPF_H
++#include <net/bpf.h>
++#endif
++
+ #if HAVE_WIN32_LIBNET_H
+ #include <win32/libnet.h>
+ #endif
+ #include <pcap.h>
+ 
+-#if HAVE_NET_BPF_H
+-#include <net/bpf.h>
+-#endif
+-
+ #ifndef ETH_ALEN
+ #define ETH_ALEN 6
+ #endif