package/syslog-ng: bump to 4.8.1

Announcement:
 - https://github.com/syslog-ng/syslog-ng/releases/tag/syslog-ng-4.8.0
 - https://github.com/syslog-ng/syslog-ng/releases/tag/syslog-ng-4.8.1

Signed-off-by: Thomas Devoogdt <thomas@devoogdt.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/syslog-ng/syslog-ng.conf

@@ -1,4 +1,4 @@
-@version: 4.7
+@version: 4.8
 
 source s_sys {
 	file("/proc/kmsg" program_override("kernel"));

package/syslog-ng/syslog-ng.hash

@@ -1,5 +1,5 @@
 # Locally computed
-sha256  5477189a2d12325aa4faebfcf59f5bdd9084234732f0c3ec16dd253847dacf1c  syslog-ng-4.7.1.tar.gz
+sha256  e8b8b98c60a5b68b25e3462c4104c35d05b975e6778d38d8a81b8ff7c0e64c5b  syslog-ng-4.8.1.tar.gz
 sha256  d7d51f8d0f6ee9757a371080e7f5fa19ac73afbef14db6e981705cf1ec813d6b  COPYING
 sha256  ce3324c9f22299cfc7c281e5a6ab40fbe9c2ea1a67cee87226cb8cd39db1e1d2  GPL.txt
 sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  LGPL.txt

package/syslog-ng/syslog-ng.mk

@@ -6,7 +6,7 @@
 
 # When updating the version, please check at runtime if the version in
 # syslog-ng.conf header needs to be updated
-SYSLOG_NG_VERSION = 4.7.1
+SYSLOG_NG_VERSION = 4.8.1
 SYSLOG_NG_SITE = https://github.com/balabit/syslog-ng/releases/download/syslog-ng-$(SYSLOG_NG_VERSION)
 SYSLOG_NG_LICENSE = LGPL-2.1+ (syslog-ng core), GPL-2.0+ (modules)
 SYSLOG_NG_LICENSE_FILES = COPYING GPL.txt LGPL.txt