6rd: missing config option ipaddr.

This option is necessary when configuring 6rd behind NAT.

Signed-off-by: Stéphan Kochen <stephan@kochen.nl>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33123 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/6rd/files/6rd.sh

@@ -68,6 +68,7 @@ proto_6rd_init_config() {
 
 	proto_config_add_int "mtu"
 	proto_config_add_int "ttl"
+	proto_config_add_string "ipaddr"
 	proto_config_add_string "peeraddr"
 	proto_config_add_string "ip6prefix"
 	proto_config_add_string "ip6prefixlen"