qemu-display: misc improvements

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

qemu-display/src/display.rs

@@ -140,6 +140,7 @@ impl<'d> Display<'d> {
         {
             // FIXME: no ancillary fd API at this point
             // https://github.com/rust-lang/rust/issues/76915
+            let _ = p0;
             qmp.execute(&qmp::getfd {
                 fdname: "fdname".into(),
             })?;

qemu-rdw/src/main.rs

@@ -76,6 +76,9 @@ async fn display_from_opt(opt: Arc<RefCell<AppOptions>>) -> Option<Display<'stat
             .unwrap()
             .map(Into::into)
     } else {
+        if opt.borrow().wait {
+            unimplemented!(); // FIXME
+        }
         BusName::try_from("org.qemu").ok()
     };