Cinder-backup config-external is missing #!/bin/bash

[Ryan Hallisey]

Cinder-backup config-external is missing #!/bin/bash.
Add #!/bin/bash to the beginning of the file so it won't be misinterpreted.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/212503

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/212503
Committed: https://git.openstack.org/cgit/stackforge/kolla/commit/?id=605d8c9fcde1b1a6e1bcd8af92bbfc1e60901e36
Submitter: Jenkins
Branch: master

commit 605d8c9fcde1b1a6e1bcd8af92bbfc1e60901e36
Author: rthallisey <email address hidden>
Date: Thu Aug 13 08:16:31 2015 -0400

    Cinder-backup's config-external is missing #!/bin/bash

    Change-Id: I006e7a86683c26e84f0aff731f64cc70a5feedb5
    Closes-Bug: #1484510