minor fixes

program/lib/Roundcube/rcube_session_db.php

@@ -41,7 +41,7 @@ class rcube_session_db extends rcube_session
         parent::__construct($config);
 
         // get db instance
-        $this->db      = rcube::get_instance()->get_dbh();
+        $this->db = rcube::get_instance()->get_dbh();
 
         // session table name
         $this->table_name = $this->db->table_name('session', true);

program/lib/Roundcube/rcube_session_redis.php

@@ -4,14 +4,13 @@
  +-----------------------------------------------------------------------+
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2014, The Roundcube Dev Team                       |
- | Copyright (C) 2011, Kolab Systems AG                                  |
  |                                                                       |
  | 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:                                                              |
- |   Provide database supported session management                       |
+ |   Provide redis supported session management                       |
  +-----------------------------------------------------------------------+
  | Author: Cor Bosman <cor@roundcu.be>                                   |
  +-----------------------------------------------------------------------+