912442 - correcting failed installer for candlepin-ca cert

Fixes

    Could not find dependency File[/etc/candlepin/certs/candlepin-upstream-ca.crt] for Service[tomcat6] at /usr/share/katello/install/puppet/modules/candlepin/manifests/service.pp:18

introduced by

https://github.com/Katello/katello/pull/1613

Acking, merging, building, composing.