Change the preamble for views in two ways:

1) drop unnecessary semicolon
2) start with <?php for extra security in the case that the server itself doesn't
   have short_tags enabled (the app won't work, but we need to make sure that we're
   still secure)

modules/user/views/admin_groups.html.php

@@ -1,4 +1,4 @@
-<? defined("SYSPATH") or die("No direct script access."); ?>
+<?php defined("SYSPATH") or die("No direct script access.") ?>
 <div class="gBlock">
   <h2><?= _("Group Administration") ?></h2>
   <div class="gBlockContent">