Disable Socket::domain on FreeBSD

It's only available on FreeBSD 12 (?), which we don't use on the CI yet.

Author: Thomasdezeeuw

src/sys/unix.rs

@@ -997,7 +997,8 @@ impl crate::Socket {
         feature = "all",
         any(
             target_os = "android",
-            target_os = "freebsd",
+            // TODO: add FreeBSD.
+            // target_os = "freebsd",
             target_os = "fuchsia",
             target_os = "linux",
         )

tests/socket.rs

@@ -847,7 +847,8 @@ fn is_listener() {
     feature = "all",
     any(
         target_os = "android",
-        target_os = "freebsd",
+        // TODO: add FreeBSD.
+        // target_os = "freebsd",
         target_os = "fuchsia",
         target_os = "linux",
     )