Typo in devstack tacker lib file
Typo in devstack tacker lib file

Change-Id: Ia94f5fb64cdf93d164f576a5f8b1c7de9fe28ea6
Closes-Bug: #1648114

zeinsteinz/tacker,openstack/tacker,stackforge/tacker,stackforge/tacker,zeinsteinz/tacker,openstack/tacker,openstack/tacker