Fix unused parameter warning in xclock_utc
@@ -181,7 +181,7 @@ fn do_poll(conn: &RustConnection) -> nix::Result<()> {
}
#[cfg(not(unix))]
-fn do_poll(conn: &RustConnection) -> Result<(), Box<dyn std::error::Error>> {
+fn do_poll(_conn: &RustConnection) -> Result<(), Box<dyn std::error::Error>> {
panic!("This function is only implemented on unix")
}
