conditional compilation style fixes

Cargo.toml

@@ -24,7 +24,7 @@ serde_test = "1.0"
 tracing = "0.1"
 tracing-subscriber = "0.3"
 
-[target.'cfg(any(target_family = "unix"))'.dependencies]
+[target.'cfg(unix)'.dependencies]
 boringtun = { path = "boringtun/boringtun", default-features = false, features = [
     "device",
 ] }

src/error.rs

@@ -47,7 +47,7 @@ pub enum WireguardInterfaceError {
     #[cfg(target_os = "windows")]
     #[error(transparent)]
     WindowsError(#[from] WindowsError),
-    #[cfg(target_family = "unix")]
+    #[cfg(unix)]
     #[error("BoringTun {0}")]
     BoringTun(#[from] boringtun::device::Error),
 }

src/lib.rs

@@ -67,7 +67,7 @@ mod dependencies;
 mod wgapi_freebsd;
 #[cfg(target_os = "linux")]
 mod wgapi_linux;
-#[cfg(target_family = "unix")]
+#[cfg(unix)]
 mod wgapi_userspace;
 #[cfg(target_family = "windows")]
 mod wgapi_windows;

src/wgapi.rs

@@ -1,7 +1,7 @@
 //! Shared multi-platform management API abstraction
 use std::marker::PhantomData;
 
-#[cfg(target_family = "unix")]
+#[cfg(unix)]
 use boringtun::device::DeviceHandle;
 #[cfg(target_os = "windows")]
 use wireguard_nt::Adapter;
@@ -19,7 +19,7 @@ pub struct Userspace;
 /// to detect the correct API implementation for most common platforms.
 pub struct WGApi<API = Kernel> {
     pub(super) ifname: String,
-    #[cfg(target_family = "unix")]
+    #[cfg(unix)]
     pub(super) device_handle: Option<DeviceHandle>,
     #[cfg(target_os = "windows")]
     pub(super) adapter: Option<Adapter>,
@@ -33,7 +33,7 @@ impl<API> WGApi<API> {
         check_external_dependencies()?;
         Ok(WGApi {
             ifname: ifname.into(),
-            #[cfg(target_family = "unix")]
+            #[cfg(unix)]
             device_handle: None,
             #[cfg(target_os = "windows")]
             adapter: None,