Remove 'force_wireguard_handshake' on non-Windows

The firewall blocks the pinger in some circumstances

CHANGELOG.md

@@ -29,6 +29,8 @@ Line wrap the file at 100 chars.                                              Th
 ### Changed
 - (Linux and macOS only) Update to DAITA v2. The main difference is that many different machines are
   provided by relays instead of a bundled list. The bundled `maybenot_machines` file was removed.
+
+#### Windows
 - Test tunnel before ephemeral peer exchange. This is an attempt to fix timeout issues.
 
 ### Fixed

talpid-wireguard/build.rs

@@ -19,7 +19,7 @@ fn main() {
     // This is useful after updating the WireGuard config, to force a WireGuard handshake. This
     // should reduce the number of PQ timeouts.
     println!("cargo::rustc-check-cfg=cfg(force_wireguard_handshake)");
-    if matches!(target_os.as_str(), "linux" | "macos" | "windows") {
+    if target_os.as_str() == "windows" {
         println!("cargo::rustc-cfg=force_wireguard_handshake");
     }
 }

talpid-wireguard/src/connectivity/mod.rs

@@ -6,6 +6,8 @@ mod mock;
 mod monitor;
 mod pinger;
 
-pub use check::{Cancellable, Check};
+#[cfg(any(target_os = "android", force_wireguard_handshake))]
+pub use check::Cancellable;
+pub use check::Check;
 pub use error::Error;
 pub use monitor::Monitor;