syslog-ng: update to version 4.12.0

Release notes:
https://github.com/syslog-ng/syslog-ng/releases/tag/syslog-ng-4.12.0

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
(cherry picked from commit d2327b45c6)

admin/syslog-ng/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=syslog-ng
-PKG_VERSION:=4.11.0
+PKG_VERSION:=4.12.0
 PKG_RELEASE:=1
 
 PKG_MAINTAINER:=Josef Schlehofer <pepe.schlehofer@gmail.com>
@@ -11,7 +11,7 @@ PKG_CPE_ID:=cpe:/a:oneidentity:syslog-ng
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/syslog-ng/syslog-ng/releases/download/$(PKG_NAME)-$(PKG_VERSION)/
-PKG_HASH:=37ea0d4588533316de122df4e1b249867b0a0575f646c7478d0cc4d747462943
+PKG_HASH:=03a03d19ac203dca53c7ec79a7005c8a850665a95ff4cd0f1e7bb4c497c64d46
 
 PKG_BUILD_PARALLEL:=1
 PKG_INSTALL:=1