base/init.sh: create /run/log

If the systemd module is not used /run/log is not created which results
in dangeling softlink from /var/log which causes stuff to fail.

modules.d/99base/init.sh

@@ -82,6 +82,7 @@ fi
 trap "emergency_shell Signal caught!" 0
 
 [ -d /run/initramfs ] || mkdir -p -m 0755 /run/initramfs
+[ -d /run/log ] || mkdir -p -m 0755 /run/log
 
 export UDEVVERSION=$(udevadm --version)
 if [ $UDEVVERSION -gt 166 ]; then