managesieve roundcube patch

--- managesieve.inc.orig	2008-11-16 02:56:31.000000000 +0100
+++ managesieve.inc	2008-11-16 03:29:14.000000000 +0100
@@ -620,7 +620,7 @@
 
   foreach ($a_folders as $folder)
   {
-    $utf7folder = $folder;
+    $utf7folder = $IMAP->_mod_mailbox($folder);
     $names = explode($delimiter, rcube_charset_convert($folder, 'UTF-7'));
     $name = $names[sizeof($names)-1];