record-daemon: fix linux builds

record-daemon/src/main.rs

@@ -501,16 +501,16 @@ async fn main() -> Result<()> {
     let mut daemon = Daemon::new(settings);
 
     // Handle shutdown signals
-    let _shutdown_tx = daemon.shutdown_tx.clone();
+    let shutdown_tx = daemon.shutdown_tx.clone();
 
     #[cfg(unix)]
     {
+        use futures::StreamExt;
         use signal_hook::consts::signal::*;
         use signal_hook_tokio::Signals;
 
         let mut signals = Signals::new([SIGTERM, SIGINT, SIGQUIT])?;
 
-        let handle = signals.handle();
         let tx = shutdown_tx.clone();
 
         tokio::spawn(async move {