Local facts are strings so make this explicit
Local facts are strings so make this explicit

This patch fixes the following ansible warning:

[WARNING]: The value True (type bool) in a string field was converted to
u'True' (type string). If this does not look like what you expect, quote the
entire value to ensure it does not change.

Change-Id: Ic5b2d0c8d9f30284587a61385c2d78517a82f6e8

openstack/openstack-ansible-galera_server,openstack/openstack-ansible-galera_server