Fix custom fields on manage email templates

admin/manage_email_templates.php

@@ -10,6 +10,7 @@ require(HESK_PATH . 'hesk_settings.inc.php');
 require(HESK_PATH . 'inc/common.inc.php');
 require(HESK_PATH . 'inc/admin_functions.inc.php');
 require(HESK_PATH . 'inc/mail_functions.inc.php');
+require(HESK_PATH . 'inc/custom_fields.inc.php');
 hesk_load_database_functions();
 
 hesk_session_start();

inc/header.inc.php

@@ -89,7 +89,7 @@ if (is_dir(HESK_PATH . 'install')) {
     <link rel="stylesheet" href="<?php echo HESK_PATH; ?>css/bootstrap-clockpicker.min.css?v=<?php echo MODS_FOR_HESK_BUILD; ?>">
     <link rel="stylesheet" href="<?php echo HESK_PATH; ?>css/bootstrap-colorpicker.min.css?v=<?php echo MODS_FOR_HESK_BUILD; ?>">
     <link rel="stylesheet" href="<?php echo HESK_PATH; ?>css/jquery.fancybox.min.css?v=<? echo MODS_FOR_HESK_BUILD ?>">
-    <link rel="stylesheet" href="<?php echo HESK_PATH; ?>css/toastr.min.css?v=<?php echo MODS_FOR_HESK_BUILD ?>">   
+    <link rel="stylesheet" href="<?php echo HESK_PATH; ?>css/toastr.min.css?v=<?php echo MODS_FOR_HESK_BUILD ?>">
     <?php if (defined('USE_JQUERY_2')): ?>
         <script src="<?php echo HESK_PATH; ?>js/jquery-2.2.4.min.js?v=<?php echo MODS_FOR_HESK_BUILD; ?>"></script>
     <?php else: ?>