*) mod_proxy_http: Return HTTP status codes instead of apr_status_t

     values for errors encountered while forwarding the request body
     PR 44165 [Eric Covener]

See also PR 31759 / r448711



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@611292 13f79535-47bb-0310-9956-ffa450edef68