Updated openstack/openstack
Project: openstack/nova  7ae6ecea647d1f24f130d1be543198081eed0991

Virt: fix typo (flavour should be flavor)

Commit 0c74df4962f256d9bc17b57c22ea45ece94e2f1a added support
which used the word flavour. Flavour is the preferred
spelling throughout the rest of the English-speaking world, but
flavor is preferrred spelling for OpenStack.

TrivialFix

Change-Id: I5fb3dd1601324c6be4f4d159166f5cacbec16a7e