Do not compile wireguard-go-rs on Windows

Author: MarkusPettersson98

Diff for: wireguard-go-rs/Cargo.toml

@@ -6,7 +6,6 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[dependencies]
-
+[target.'cfg(unix)'.dependencies]
 # NOTE: remember to update libwg/go.mod if you change this:
 cmaybenot = { git = "https://github.com/mullvad/wireguard-go", rev = "7cf6da8e40b37770d911eb2b4b5469f77fdd8aa2" }

Diff for: wireguard-go-rs/src/lib.rs

@@ -1,3 +1,4 @@
+#![cfg(unix)]
 pub type Fd = std::os::unix::io::RawFd;
 use std::ffi::{c_char, c_void};
 pub type WgLogLevel = u32;