Ticket #6996: get_attachment_link_user_trailingslashit.patch

wp-includes/link-template.php

@@ -184 +184 @@
                 else
                         $name = $object->post_name;
                 if (strpos($parentlink, '?') === false)
-                        $link = trailingslashit($parentlink) . $name . '/';
+                        $link = user_trailingslashit( trailingslashit($parentlink) . $name );
         }
 
         if (! $link ) {