syslog-ng: update to version 3.35.1

Also bump the version in syslog-ng config file.
Removes this warning:

Nov 16 14:19:41 turris syslog-ng[15159]: WARNING: Configuration file format is too old, syslog-ng is running in compatibility mode. Please update it to use the syslog-ng 3.35 format at your time of convenience. To upgrade the configuration, please review the warnings about incompatible changes printed by syslog-ng, and once completed change the @version header at the top of the configuration file; config-version='3.33'

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

admin/syslog-ng/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=syslog-ng
-PKG_VERSION:=3.34.1
+PKG_VERSION:=3.35.1
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_MAINTAINER:=Josef Schlehofer <josef.schlehofer@nic.cz>
@@ -11,7 +11,7 @@ PKG_CPE_ID:=cpe:/a:balabit: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:=cece39ec1c68c88d493705e0a528b83d038da384e89d4838393ccc75f62a2d4c
+PKG_HASH:=1d0238b06b3e5987c859e5b529ecee738f75bacff04b149398b1fe8cbb121e53
 
 PKG_BUILD_PARALLEL:=1
 PKG_INSTALL:=1

admin/syslog-ng/files/syslog-ng.conf

@@ -4,7 +4,7 @@
 # More details about these settings can be found here:
 # https://www.syslog-ng.com/technical-documents/list/syslog-ng-open-source-edition
 
-@version: 3.33
+@version: 3.35
 @include "scl.conf"
 
 options {