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

Aleksander Machniak

2015-06-17 3f4521bcf4b538b6ac54817cfad22b51e347546d

 program/lib/Roundcube/rcube_spellcheck_googie.php

@@ -56,6 +56,10 @@
    {
        $this->content = $text;

        if (empty($text)) {
            return $this->matches = array();
        }

        // spell check uri is configured
        $url = rcube::get_instance()->config->get('spellcheck_uri');