busybox-syslog.service.in: Create alias for syslog.service

The default syslog implementation should make syslog.service a
symlink to itself, so that this socket activates the right actual
syslog service.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

meta-systemd/meta-oe/recipes-core/busybox/busybox/busybox-syslog.service.in

@@ -10,3 +10,4 @@ Sockets=syslog.socket
 [Install]
 WantedBy=multi-user.target
 Also=busybox-klogd.service
+Alias=syslog.service

meta-systemd/meta-oe/recipes-core/busybox/busybox_1.19.4.bbappend

@@ -1,6 +1,6 @@
 inherit systemd
 
-PRINC := "${@int(PRINC) + 2}"
+PRINC := "${@int(PRINC) + 3}"
 
 # look for files in the layer first
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"