firewall4: update to latest Git HEAD

7ae5e14 fw4: gracefully handle `null` return values from `fd.read("line")`

Signed-off-by: Jo-Philipp Wich <[email protected]>

package/network/config/firewall4/Makefile

@@ -9,9 +9,9 @@ PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/firewall4.git
-PKG_SOURCE_DATE:=2022-10-14
-PKG_SOURCE_VERSION:=4fbf6d75a4a9e523d1848a28d8a3ea095e870195
-PKG_MIRROR_HASH:=d8ffb01baf0c8412962aaaf504ad05387f3fef5bd709f7b7840ddd4e8311b4bb
+PKG_SOURCE_DATE:=2022-10-18
+PKG_SOURCE_VERSION:=7ae5e14bbd7265cc67ec870c3bb0c8e197bb7ca9
+PKG_MIRROR_HASH:=ce190e526df915df65b40aa24fadf2a1b5badc57ab4e564d5f44575b11d18e26
 PKG_MAINTAINER:=Jo-Philipp Wich <[email protected]>
 PKG_LICENSE:=ISC