Update Views.class.php

Switches $form_id to :form_id in binding

Author: Robert

src/global/code/Views.class.php

@@ -908,7 +908,7 @@ public static function getFormViews($form_id, $account_id = "")
             $db->query("
                 SELECT *
                 FROM   {PREFIX}views v, {PREFIX}list_groups lg
-                WHERE  v.form_id = $form_id AND
+                WHERE  v.form_id = :form_id AND
                        v.group_id = lg.group_id
                 ORDER BY lg.list_order, v.view_order
             ");