Fix indent in output of cinder quota-usage tenantID

WIthout this change:

$ cinder quota-usage tenantID
            +-----------+--------+----------+-------+
...

With this change:

$ cinder quota-usage tenantID
+-----------+--------+----------+-------+
...

Change-Id: Ie8e05e33aa24d69d588616bb6d68677bc17c809c
Merge "Fix indent in output of cinder quota-usage tenantID"