[openwrt/openwrt] firewall: update to latest git HEAD

[LEDE Commits]

dedeckeh pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/9bc6662deab04689a556455ac65c8752f27024e0

commit 9bc6662deab04689a556455ac65c8752f27024e0
Author: Hans Dedecker <dedeckeh at gmail.com>
AuthorDate: Mon Mar 29 21:04:06 2021 +0200

    firewall: update to latest git HEAD
    
    a4355a6 firewall3: clean up the flow table detection logic
    edd0dc5 firewall3: create a common helper to find strings in files
    
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
 package/network/config/firewall/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/network/config/firewall/Makefile b/package/network/config/firewall/Makefile
index 2c0ae5b86a..5b1e23af8c 100644
--- a/package/network/config/firewall/Makefile
+++ b/package/network/config/firewall/Makefile
@@ -13,9 +13,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/firewall3.git
-PKG_SOURCE_DATE:=2021-03-23
-PKG_SOURCE_VERSION:=61db17edddb1f05e8107f0dbef6f7d060ce67483
-PKG_MIRROR_HASH:=b2eb09816640e14e2dae21fb54ea05c33858fe0004844fe8d99e541a2e19e9c0
+PKG_SOURCE_DATE:=2021-03-29
+PKG_SOURCE_VERSION:=a4355a6faea2c4d59c90cd52851fa9aab4ccee5c
+PKG_MIRROR_HASH:=747db79b11010bbfb708aae1793857c8d959d9270c7392f8c78d2d2110cf2fe7
 PKG_MAINTAINER:=Jo-Philipp Wich <jo at mein.io>
 PKG_LICENSE:=ISC