Fix ps script analyzer
//! async fn main() {
//! let listen_addr = ResolvedListenCtlAddr::default();
//! let msg = protocols::ctl::SvcGetDefaultCfg::default();
-//! let mut response = SrvClient::request(&listen_addr, msg).await.unwrap();
+//! let mut response = SrvClient::request(Some(&listen_addr), msg).await.unwrap();
//! while let Some(message_result) = response.next().await {
//! let reply = message_result.unwrap();
//! match reply.message_id() {
