netifd: fix ipv6 multicast check in previous commit

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

package/network/config/netifd/Makefile

@@ -6,8 +6,8 @@ PKG_RELEASE:=1
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/netifd.git
 PKG_SOURCE_DATE:=2018-12-16
-PKG_SOURCE_VERSION:=cd089c52de96e47cf99410f66701e04e24155b9a
-PKG_MIRROR_HASH:=8fa6b7ce9a601d2358e8472896a6e0cfc48355e6f0684a142f1129b53bb7aca3
+PKG_SOURCE_VERSION:=2750ce2e0a9177e024823332853c76dbd0937c98
+PKG_MIRROR_HASH:=08b278e3ebc13703a508a892625bdc77d377563752cd9dcfa2f3f30f7f737775
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 
 PKG_LICENSE:=GPL-2.0