Fix wireguard-go-rs build on non-Windows platforms

wireguard-go-rs/src/lib.rs

@@ -6,11 +6,11 @@
 //!
 //! The [`Tunnel`] type provides a safe Rust wrapper around the C FFI.
 
-use core::{
-    ffi::{c_char, CStr},
-    mem::{ManuallyDrop, MaybeUninit},
-    slice,
-};
+use core::ffi::{c_char, CStr};
+use core::mem::ManuallyDrop;
+#[cfg(target_os = "windows")]
+use core::mem::MaybeUninit;
+use core::slice;
 #[cfg(target_os = "windows")]
 use std::ffi::CString;
 use util::OnDrop;
@@ -346,13 +346,15 @@ mod ffi {
         pub fn wgTurnOn(
             mtu: isize,
             settings: *const c_char,
+            fd: Fd,
             logging_callback: Option<LoggingCallback>,
             logging_context: LoggingContext,
         ) -> i32;
 
         #[cfg(target_os = "android")]
         pub fn wgTurnOn(
             settings: *const c_char,
+            fd: Fd,
             logging_callback: Option<LoggingCallback>,
             logging_context: LoggingContext,
         ) -> i32;