odhcp6c: respect 'delegate' option for 464XLAT sub-interface

dhcpv6.script contained support for disabling prefix delegation of 464XLAT
sub-interface, but netifd protocol handler was missing the required
export to disable this. Add missing export, akin to DS-Lite and MAP.

Signed-off-by: Lech Perczak <[email protected]>
Signed-off-by: Hans Dedecker <[email protected]> [PKG_RELEASE increase]

package/network/ipv6/odhcp6c/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcp6c
-PKG_RELEASE:=18
+PKG_RELEASE:=19
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/odhcp6c.git

package/network/ipv6/odhcp6c/files/dhcpv6.sh

@@ -105,6 +105,7 @@ proto_dhcpv6_setup() {
 	[ -n "$iface_464xlat" ] && proto_export "IFACE_464XLAT=$iface_464xlat"
 	[ "$delegate" = "0" ] && proto_export "IFACE_DSLITE_DELEGATE=0"
 	[ "$delegate" = "0" ] && proto_export "IFACE_MAP_DELEGATE=0"
+	[ "$delegate" = "0" ] && proto_export "IFACE_464XLAT_DELEGATE=0"
 	[ -n "$zone_dslite" ] && proto_export "ZONE_DSLITE=$zone_dslite"
 	[ -n "$zone_map" ] && proto_export "ZONE_MAP=$zone_map"
 	[ -n "$zone_464xlat" ] && proto_export "ZONE_464XLAT=$zone_464xlat"