MINOR: http: Add 404 to http-request deny

This patch adds http status code 404 Not Found to http-request deny. See
issue #80.

(cherry picked from commit 9205fea13a5e1711a54e6eca68b94128d47c391a)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit da56520e899a5a58e6b9c273317e179244b010f4)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
3 files changed