message: client: Use given path for http/0.9
diff: @@ -635,7 +635,7 @@ mod old {
  )?;
  let client_stream_id = client.stream_create(StreamType::BiDi).unwrap();
  - let req: String = "GET /10\r\n".to_string();
  + let req = format!("GET {}\r\n", url.path());
  client
  .stream_send(client_stream_id, req.as_bytes())
  .unwrap();
  