tsocks: broken on darwin

(cherry picked from commit 83982dc675ecf0fb6860d8077335c39e96d6c739)

pkgs/development/libraries/tsocks/default.nix

···
     license = stdenv.lib.licenses.gpl2;
     maintainers = with maintainers; [ edwtjo phreedom ];
     platforms = platforms.unix;
+    broken = stdenv.hostPlatform.isDarwin;
   };
 }