Fix ipv6 on 8 and possibly 9.

Obtained from:	http://git.savannah.gnu.org/gitweb/?p=quagga.git;a=patch;h=3e07588e6c2d11464b458cef3965ae31b5f99181
Sponsored by:	Absolight

net/quagga/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	quagga
 PORTVERSION=	0.99.24.1
-PORTREVISION=	0
+PORTREVISION=	1
 CATEGORIES=	net ipv6
 MASTER_SITES=	SAVANNAH
 

net/quagga/files/patch-zebra_kernel__socket.c

@@ -0,0 +1,29 @@
+From 3e07588e6c2d11464b458cef3965ae31b5f99181 Mon Sep 17 00:00:00 2001
+From: Greg Troxel <gdt@ir.bbn.com>
+Date: Mon, 23 Mar 2015 15:16:29 -0400
+Subject: [PATCH] Fix alignment assumptions on non-RT_ROUNDUP platforms.
+
+The comment said that apple uses int and BSD traditionally used long,
+but the code was backwards.  This fixes apple to be int, and otherwise
+long.  That should make FreeBSD, which aligns to long, work correctly,
+even without using SA_SIZE.
+
+(cherry picked from commit 941789e470199df4f612368f669ecc0fd096fb9a)
+---
+ zebra/kernel_socket.c |    4 ++--
+ 1 files changed, 2 insertions(+), 2 deletions(-)
+
+--- zebra/kernel_socket.c.orig	2015-03-07 06:58:00 UTC
++++ zebra/kernel_socket.c
+@@ -78,9 +78,9 @@ extern struct zebra_t zebrad;
+ 
+ /* OS X (Xcode as of 2014-12) is known not to define RT_ROUNDUP */
+ #ifdef __APPLE__
+-#define ROUNDUP_TYPE	long
+-#else
+ #define ROUNDUP_TYPE	int
++#else
++#define ROUNDUP_TYPE	long
+ #endif
+ 
+ #define ROUNDUP(a) \