Fix checking for port numbers specified via hiera
Fix checking for port numbers specified via hiera

dougneal/puppet-varnish,dougneal/puppet-varnish,BashtonLtd/puppet-varnish,craigwatson/puppet-varnish,Kaplan-Australia/puppet-varnish,craigwatson/puppet-varnish,BashtonLtd/puppet-varnish,Kaplan-Australia/puppet-varnish