From 7bcd291517e9aca620e8938e965347a73b620a7a Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 03 Oct 2012 08:16:52 -0400
Subject: [PATCH] Make sure the timezone config option always contains a valid value

---
 program/include/rcube_result_thread.php |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/program/include/rcube_result_thread.php b/program/include/rcube_result_thread.php
index e93423e..09fa465 100644
--- a/program/include/rcube_result_thread.php
+++ b/program/include/rcube_result_thread.php
@@ -7,7 +7,10 @@
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
  | Copyright (C) 2011, Kolab Systems AG                                  |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   THREAD response handler                                             |
@@ -16,9 +19,6 @@
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
-
- $Id$
-
 */
 
 
@@ -61,6 +61,8 @@
         // ...skip unilateral untagged server responses
         for ($i=0, $len=count($data); $i<$len; $i++) {
             if (preg_match('/^ THREAD/i', $data[$i])) {
+                // valid response, initialize raw_data for is_error()
+                $this->raw_data = '';
                 $data[$i] = substr($data[$i], 7);
                 break;
             }

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