fixed issue where invoice could not be downloaded by the guest

guest_view_invoice.php

@@ -494,7 +494,11 @@ if(isset($_GET['invoice_id'], $_GET['url_key'])){
       </div>
     </div>
 
-    <script src='plugins/pdfmake/pdfmake.js'></script>
+  <?php
+  }
+  ?>
+
+  <script src='plugins/pdfmake/pdfmake.js'></script>
         <script src='plugins/pdfmake/vfs_fonts.js'></script>
 
         <script>
@@ -896,10 +900,6 @@ if(isset($_GET['invoice_id'], $_GET['url_key'])){
 
         </script>
 
-  <?php
-  }
-  ?>
-
 
 
 <?php