Merge pull request #311603 from MikaelFangel/wgnord-meta-update

wgnord: add platforms.linux to meta

pkgs/applications/networking/wgnord/default.nix

···
     maintainers = with lib.maintainers; [ urandom ];
     license = licenses.mit;
     mainProgram = "wgnord";
+    platforms = platforms.linux;
   };
 }