Updated openstack/openstack
Project: openstack/heat  bd0406680d21d6dacfe7bab565b0885ecc458b84

Fix String Parameter Receive a unicode

Add unicode encode to parameter to make sure unicode will be
accepted correctly.

Change-Id: Idc9afad7971eaf0320d719946a3f09b8e15c1479
Closes-Bug: #1330370