Fix Windows build: conditionally skip retries and use Ok(Self {})

pgdog/src/net/tweaks.rs

@@ -21,6 +21,7 @@ pub fn tweak(socket: &TcpStream) -> Result<()> {
     if let Some(interval) = config.interval() {
         params = params.with_interval(interval);
     }
+    #[cfg(not(windows))]
     if let Some(retries) = config.retries() {
         params = params.with_retries(retries);
     }

pgdog/src/sighup.rs

@@ -15,7 +15,7 @@ impl Sighup {
 
     #[cfg(not(target_family = "unix"))]
     pub(crate) fn new() -> std::io::Result<Self> {
-        Self {}
+        Ok(Self {})
     }
 
     pub(crate) async fn listen(&mut self) {