Don't overwrite the Content-Type when compressing

  o Minor features (HTTP standards compliance):

    - Don't send Content-Type: application/octet-stream for transparently

      compressed documents, which confused browsers. Closes ticket 28100.

  buf_free(buf);

}

/** As write_http_response_header_impl, but sets encoding and content-typed

 * based on whether the response will be <b>compressed</b> or not. */

/** As write_http_response_header_impl, but translates method into

 * encoding */

static void

write_http_response_headers(dir_connection_t *conn, ssize_t length,

                            compress_method_t method,

                            const char *extra_headers, long cache_lifetime)

{

  const char *methodname = compression_method_get_name(method);

  const char *doctype;

  if (method == NO_METHOD)

    doctype = "text/plain";

  else

    doctype = "application/octet-stream";

  write_http_response_header_impl(conn, length,

                                  doctype,

                                  methodname,

                                  "text/plain",

                                  compression_method_get_name(method),

                                  extra_headers,

                                  cache_lifetime);

}