Updated openstack/openstack
Project: openstack/glance  64ae671f33b786cb7ebaefd4c387eb4d1fc259fd

To fixes import error for run_tests.sh

Change-Id: Iacce978001750c9cb8f398dba78361dee22ed2fb
Closes-bug: #1314007
Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>