Updated openstack/openstack
Project: openstack/sahara  68beed9ddfec98c452323b1eb220e97b3a8a7ecb

Update oslo-incubator lockutils module

Changes -
 * Don't import fcntl on Windows
 * pep8: fixed multiple violations
 * fixed typos found by RETF rules

Change-Id: I3c3504fe705ee2d91414323217f7185a7a695e43