Prevent people from giving permissions to anonymous users via TAC

git-svn-id: file:///tmp/wdn_thm_drupal/branches/drupal-7.x@192 20a16fea-79d4-4915-8869-1ea9d5ebf173

sites/all/modules/taxonomy_access_control/tac.admin.php

@@ -33,6 +33,9 @@ function tac_admin($form, $form_state, $rid = NULL)
         }
                 
         foreach (user_roles() as $rid => $role) {
+            if ($rid == DRUPAL_ANONYMOUS_RID) {
+                continue;
+            }
             $subform = array(
             	'#theme' => 'tac_term_list',
             	'#title' => 'Permissions for role "' . $role . '"'