avahi: Update to 0.6.32. Add netifd proto handler for avahi-autoipd

You can now specify in '/etc/config/network'

config interface 'eth1_autoip'
	option ifname	'eth1'
	option proto	'autoip'

And netifd would handle the rest of the logic/setup.

Signed-off-by: Claudiu Brasovean <cbrasho@gmail.com>
Signed-off-by: Ted Hess <thess@kitschensync.net>

libs/avahi/files/netifd-autoip.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_autoip_setup() {
+	local config="$1"
+	local iface="$2"
+
+	proto_export "INTERFACE=$config"
+	proto_run_command "$config" avahi-autoipd $iface
+}
+
+proto_autoip_teardown() {
+	local interface="$1"
+	proto_kill_command "$interface"
+}
+
+add_protocol autoip