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

Aleksander Machniak

2015-06-17 3f4521bcf4b538b6ac54817cfad22b51e347546d

 program/lib/Roundcube/rcube_imap_cache.php

@@ -498,7 +498,7 @@
        }

        $this->db->set_option('ignore_key_errors', true);
console($msg);

        // insert new record
        $res = $this->db->query(
            "INSERT INTO {$this->messages_table}"