Fix build on recent SunOS platforms

net/ucarp/distinfo

@@ -1,6 +1,7 @@
-$NetBSD: distinfo,v 1.4 2011/11/02 01:13:04 hubertf Exp $
+$NetBSD: distinfo,v 1.5 2012/06/14 17:16:22 fhajny Exp $
 
 SHA1 (ucarp-1.5.2.tar.bz2) = 0326fa7460eacd23b59216878524487265051cba
 RMD160 (ucarp-1.5.2.tar.bz2) = 83f54644abddf4b27f1b829c2a3a0fc98861027b
 Size (ucarp-1.5.2.tar.bz2) = 315414 bytes
 SHA1 (patch-aa) = ef0d7b65f6a964607a695c7a33891d45fd116569
+SHA1 (patch-src_fillmac.c) = 9870a6613bfb7c7eff7c6c9d164c8bf32bbe6454

net/ucarp/patches/patch-src_fillmac.c

@@ -0,0 +1,14 @@
+$NetBSD: patch-src_fillmac.c,v 1.1 2012/06/14 17:16:23 fhajny Exp $
+
+SIOCGIFHWADDR defined on recent SunOS, doesn't have the usual structure.
+--- src/fillmac.c.orig	2007-07-04 13:34:59.000000000 +0000
++++ src/fillmac.c
+@@ -43,7 +43,7 @@ int fill_mac_address(void)
+                 strerror(errno));
+         return -1;
+     }
+-#ifdef SIOCGIFHWADDR
++#if defined(SIOCGIFHWADDR) && !defined(__sun)
+     {
+         struct ifreq ifr;
+