Fix update

system/admin/views/updated-to.html.php

@@ -1,3 +1,4 @@
+<?php if (!defined('HTMLY')) die('HTMLy'); ?>
 <h3>Updated to<h3>
 <h2>[<?php echo $info['tag_name']; ?>] <?php echo $info['name']; ?></h2>
 <p><?php echo \Michelf\MarkdownExtra::defaultTransform($info['body']); ?></p>

system/upgrade/index.php

@@ -1,4 +1,5 @@
 <?php
+define('HTMLY', true);
 $config_file = 'config/config.ini';
 require 'system/vendor/autoload.php';
 require 'system/htmly.php';