Updated openstack/openstack
Project: openstack/heat  6c99dc46c5d4ebe91c6da49ace286025e55b9a2d
null
Fix "members" property check

According to https://bugs.launchpad.net/heat/+bug/1247638/comments/3

Closes-Bug: #1248571
Closes-Bug: #1247638
Change-Id: I4a61963d730250d8c3714b20c9cc7bb3717d85af