strongswan: Remove obsolete setting regarding the Standard Output

The Standard output type "syslog" is obsolete, causing a warning since systemd
version 246 [1].

Please consider using "journal" or "journal+console"

[1] https://github.com/systemd/systemd/blob/master/NEWS#L202

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/strongswan/files/0001-Remove-obsolete-setting-regarding-the-Standard-Outpu.patch

@@ -0,0 +1,34 @@
+From 7b1e376d7d22244feab466e9889ba77561117357 Mon Sep 17 00:00:00 2001
+From: Mingli Yu <mingli.yu@windriver.com>
+Date: Wed, 23 Sep 2020 16:20:22 +0800
+Subject: [PATCH] Remove obsolete setting regarding the Standard Output
+
+The Standard output type "syslog" is obsolete, causing a warning since systemd
+version 246 [1].
+
+Please consider using "journal" or "journal+console"
+
+[1] https://github.com/systemd/systemd/blob/master/NEWS#L202
+
+Upstream-Status: Submitted [https://github.com/strongswan/strongswan/pull/181]
+
+Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
+---
+ init/systemd-starter/strongswan-starter.service.in | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/init/systemd-starter/strongswan-starter.service.in b/init/systemd-starter/strongswan-starter.service.in
+index 474284a19..6a0672352 100644
+--- a/init/systemd-starter/strongswan-starter.service.in
++++ b/init/systemd-starter/strongswan-starter.service.in
+@@ -4,7 +4,6 @@ After=syslog.target network-online.target
+ 
+ [Service]
+ ExecStart=@SBINDIR@/@IPSEC_SCRIPT@ start --nofork
+-StandardOutput=syslog
+ Restart=on-abnormal
+ 
+ [Install]
+-- 
+2.17.1
+

meta-networking/recipes-support/strongswan/strongswan_5.8.4.bb

@@ -10,6 +10,7 @@ DEPENDS = "gmp openssl flex-native flex bison-native"
 SRC_URI = "http://download.strongswan.org/strongswan-${PV}.tar.bz2 \
            file://fix-funtion-parameter.patch \
            file://0001-memory.h-Include-stdint.h-for-uintptr_t.patch \
+           file://0001-Remove-obsolete-setting-regarding-the-Standard-Outpu.patch \
            "
 
 SRC_URI[md5sum] = "0634e7f40591bd3f6770e583c3f27d29"