<fix>[zstacklib]: quit sanlock service via systemctl
<fix>[zstacklib]: quit sanlock service via systemctl

Double quit sanlock service. On Kylin system, quit sanlock service
via subcmd client shutdown will cause sanlock service fail to start,
must do 'systemctl stop sanlock' before starting sanlock service.

Resolves: ZSTAC-45079

Change-Id: I676e6d787975726a74696777796e69726c67757a

zstackio/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility