Fix raw sockets operation for bird on -current.

PR:		193245
Submitted by:	olivier
Approved by:	az (implicit)

net/bird/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME?=	bird
 PORTVERSION=	1.4.4
+PORTREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	ftp://bird.network.cz/pub/bird/ \
 		http://bird.mpls.in/distfiles/bird/

net/bird/files/patch-bsd-sysdep.h

@@ -0,0 +1,23 @@
+--- sysdep/bsd/sysio.h	2014-07-10 01:40:13.000000000 +0400
++++ sysdep/bsd/sysio.h	2014-09-27 12:12:09.000000000 +0400
+@@ -9,6 +9,9 @@
+ #include <net/if_dl.h>
+ #include <netinet/in_systm.h> // Workaround for some BSDs
+ #include <netinet/ip.h>
++#ifdef __FreeBSD__
++#include <sys/param.h> // FreeBSD_version definition
++#endif
+ 
+ 
+ #ifdef __NetBSD__
+@@ -175,8 +178,8 @@
+   ip->ip_src = ipa_to_in4(s->saddr);
+   ip->ip_dst = ipa_to_in4(s->daddr);
+ 
+-#ifdef __OpenBSD__
+-  /* OpenBSD expects ip_len in network order, other BSDs expect host order */
++#if defined __OpenBSD__ || (defined __FreeBSD__ && (__FreeBSD_version >= 1100030))
++  /* OpenBSD and FreeBSD (since 11) expects ip_len in network order, other BSDs expect host order */
+   ip->ip_len = htons(ip->ip_len);
+ #endif
+ }