Fix template

Author: holliefae

etc/kayobe/kolla.yml

@@ -172,7 +172,7 @@ kolla_sources:
   manila-base:
     type: git
     location: https://github.com/stackhpc/manila.git
-    reference: stackhpc/{{ openstack_release }
+    reference: stackhpc/{{ openstack_release }}
 
 ###############################################################################
 # Kolla image build configuration.