more puppet-lint cleanup

manifests/conf.pp

@@ -28,7 +28,7 @@ define su_apache::conf(
     fail("Unsupported apache::conf operating system ${::operatingsystem}")
   }
 
-  if ($lsbdistcodename == 'wheezy') {
+  if ($::lsbdistcodename == 'wheezy') {
     $parent   = "/etc/apache2/${directory}"
     $realname = "${parent}/${name}"
 
@@ -62,7 +62,7 @@ define su_apache::conf(
       $conf_id = "${name}.conf"
     }
     # Install the file.
-    file { "/etc/apache2/conf-available/$conf_id":
+    file { "/etc/apache2/conf-available/${conf_id}":
       ensure  => $ensure,
       source  => $source,
       content => $content,
@@ -73,7 +73,7 @@ define su_apache::conf(
       command     => "a2enconf ${conf_id}",
       path        => '/usr/bin:/usr/sbin',
       refreshonly => true,
-      require     => File["/etc/apache2/conf-available/$conf_id"],
+      require     => File["/etc/apache2/conf-available/${conf_id}"],
       notify      => Exec['su_apache_reload'],
     }
   }