Add required spaces in log messages

[Abhishek Kekane]

Add required spaces in log messages at following locations:

https://github.com/openstack/cinder/blob/029b9309c7f027f8d218961901eee1e36e1087eb/cinder/volume/drivers/huawei/huawei_t.py#L438

https://github.com/openstack/cinder/blob/master/cinder/transfer/api.py#L187

https://github.com/openstack/cinder/blob/029b9309c7f027f8d218961901eee1e36e1087eb/cinder/brick/initiator/linuxscsi.py#L104

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/123379

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/123379
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=44c635574b752dd89871fa1b671c2ecd12912899
Submitter: Jenkins
Branch: master

commit 44c635574b752dd89871fa1b671c2ecd12912899
Author: abhishekkekane <email address hidden>
Date: Tue Sep 23 00:26:56 2014 -0700

    Add required spaces in log messages

    Added required spaces in between two words for log messages.

    cinder/volume/drivers/huawei/huawei_t.py validate_connector method.
    cinder/transfer/api.py accept method.
    cinder/brick/initiator/linuxscsi.py flush_device_io method.

    Closes-Bug: #1372788
    Change-Id: Ia0ab72d930c1b9099dd2796032b7b2b0b857bad5