fix: duplicate mod

Author: Berrysoft

compio-signal/src/lib.rs

@@ -22,12 +22,10 @@
 #[cfg(windows)]
 pub mod windows;
 
+#[cfg(unix)]
 #[cfg_attr(target_os = "linux", path = "linux.rs")]
 pub mod unix;
 
-#[cfg(all(unix, not(target_os = "linux")))]
-pub mod unix;
-
 /// Completes when a "ctrl-c" notification is sent to the process.
 pub async fn ctrl_c() -> std::io::Result<()> {
     #[cfg(windows)]