Updated openstack/openstack
Project: openstack/nova  ac78062b5c325f84323df6b50e5394b748970fed
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Fix up spelling mistake

Fixes bug 1253510

This was causing a KeyError when e2label didn't work

Change-Id: I0646409cdffa4d6d5d8b2c7a9e3c300022d1c9b8
(cherry picked from commit 22d1c2458623a1cfbb91a50c13f18329c863f70b)