move the check for the stub zone type to ensure the cachedir is created

manifests/zone.pp

@@ -38,7 +38,6 @@ define bind::zone (
         } else {
             $_source = 'puppet:///modules/bind/db.empty'
         }
-        unless $zone_type == 'stub' {
         file { "${cachedir}/${name}":
             ensure  => directory,
             owner   => $bind::params::bind_user,
@@ -47,6 +46,7 @@ define bind::zone (
             require => Package['bind'],
         }
 
+        unless $zone_type == 'stub' {
             file { "${cachedir}/${name}/${_domain}":
                 ensure  => present,
                 owner   => $bind::params::bind_user,