Fix CA file bind mounting in containers
Fix CA file bind mounting in containers

The syntax was wrong and wasn't actually bind mounting the CA file.
This fixes it.

Change-Id: Icfa2118ccd2a32fdc3d1af27e3e3ee02bdfbb13b

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates