fix: import necessary functions & types in silent_get_output_stream()

src/play.rs

@@ -86,7 +86,10 @@ pub struct SendableOutputStream(pub rodio::OutputStream);
 // SAFETY: This is necessary because [OutputStream] does not implement [Send],
 // due to some limitation with Android's Audio API.
 // I'm pretty sure nobody will use lowfi with android, so this is safe.
-#[expect(clippy::non_send_fields_in_send_ty, reason = "this is expected because of the nature of the struct")]
+#[expect(
+    clippy::non_send_fields_in_send_ty,
+    reason = "this is expected because of the nature of the struct"
+)]
 unsafe impl Send for SendableOutputStream {}
 
 /// Initializes the audio server, and then safely stops

src/player.rs

@@ -119,6 +119,9 @@ impl Player {
     /// to simply just the audio in the bag, lil api.
     #[cfg(target_os = "linux")]
     fn silent_get_output_stream() -> eyre::Result<(OutputStream, OutputStreamHandle)> {
+        use libc::freopen;
+        use std::ffi::CString;
+
         // Get the file descriptor to stderr from libc.
         extern "C" {
             static stderr: *mut libc::FILE;