firewall: update to latest git HEAD

de94097 utils: coverity resource leak warning

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
(cherry picked from commit efb7b7a12af55758458cdb945a0833af411289f7)

package/network/config/firewall/Makefile

@@ -13,9 +13,9 @@ PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/firewall3.git
-PKG_SOURCE_DATE:=2019-01-02
-PKG_SOURCE_VERSION:=70f8785b9ee364828e9a0f38275283024df621c2
-PKG_MIRROR_HASH:=0b1a7c88b3c3474127b5e5e61d5bf58345d02862d98c56e049face2ddd81bc88
+PKG_SOURCE_DATE:=2019-06-12
+PKG_SOURCE_VERSION:=de9409762de14b5d909925c5db2e704ec13c754b
+PKG_MIRROR_HASH:=291e390250c9bf5a997a62796afd0b1cf6a08f8a6d9b99fe3ecc49abf491455e
 PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
 PKG_LICENSE:=ISC