Fix so plain text signature field uses monospace font (#1490435)

Aleksander Machniak

2015-06-17 3f4521bcf4b538b6ac54817cfad22b51e347546d

 program/lib/Roundcube/rcube_result_thread.php

@@ -26,6 +26,8 @@
 */
class rcube_result_thread
{
    public $incomplete = false;

    protected $raw_data;
    protected $mailbox;
    protected $meta = array();