Fixed syntax of validate_re function.

Author: Martin Dluhos

manifests/vhost.pp

@@ -57,7 +57,7 @@
     $ensure             = 'present'
   ) {
 
-  validate_re($ensure, [ '^present$', '^absent$' ],
+  validate_re($ensure, '^(present|absent)$',
   "${ensure} is not supported for ensure.
   Allowed values are 'present' and 'absent'.")