Added portuguese-brazilian error-messages.

Translated by: Ricardo Leite <ricleite@asbyte.com.br>
Submitted/reviewed by: Luiz Rocha <lsdr@lsdr.net>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97147 13f79535-47bb-0310-9956-ffa450edef68