firewall: update to latest git HEAD

70f8785 zones: add zone identifying local traffic in raw OUTPUT chain
6920de7 utils: Free args in __fw3_command_pipe()
6ba9105 options: redirects: Fix possible buffer overflows

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

package/network/config/firewall/Makefile

@@ -13,9 +13,9 @@ PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/firewall3.git
-PKG_SOURCE_DATE:=2018-12-06
-PKG_SOURCE_VERSION:=14589c80cde937162da02414a0103653a566e866
-PKG_MIRROR_HASH:=c0ed3c441c619d4571e4fd5d75e537f72cbf0d9cbaf7d938b0f5cd524228dacc
+PKG_SOURCE_DATE:=2019-01-02
+PKG_SOURCE_VERSION:=70f8785b9ee364828e9a0f38275283024df621c2
+PKG_MIRROR_HASH:=0b1a7c88b3c3474127b5e5e61d5bf58345d02862d98c56e049face2ddd81bc88
 PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
 PKG_LICENSE:=ISC