Fixed get_status() to find client.radosgw fields inside of ps output.
Fixes: 7375
Signed-off-by: Warren Usui <warren.usui@inktank.com>
Merge pull request #1279 from ceph/wip-7375-wusui

Fixed sub check() to say okay if rgw is running.

Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>