[packages/openvpn-devel] update openvpn-devel to latest HEAD

This fixes some issues and regressions, as well as includes
the "busybox ifconfig ipv6"-patch which went upstream meanwhile.

git-svn-id: svn://svn.openwrt.org/openwrt/packages@33376 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/openvpn-devel/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openvpn-devel
 
-PKG_REV:=6dcb1265c601b53d2bb221f5087ef5ad2626f94b
+PKG_REV:=5d4f5435a421299ed047485d8d99bdf9a0d22fd1
 PKG_VERSION:=r$(PKG_REV)
 PKG_RELEASE=1
 

net/openvpn-devel/patches/000-busybox-ifconfig-ipv6-compatible.patch

@@ -1,12 +0,0 @@
-diff -Naur old/src/openvpn/tun.c new/src/openvpn/tun.c
---- old/src/openvpn/tun.c       2012-09-11 11:02:41.000000000 +0200
-+++ new/src/openvpn/tun.c       2012-09-11 12:27:30.304436864 +0200
-@@ -760,7 +760,7 @@
-      if ( do_ipv6 )
-	{
-	  argv_printf (&argv,
--			  "%s %s inet6 add %s/%d",
-+			  "%s %s add %s/%d",
-			  IFCONFIG_PATH,
-			  actual,
-			  ifconfig_ipv6_local,