Tobias Geerinckx-Rice df29b0d23f nixos: fix evaluation
After commit 5e468b9, evaluation failed with:

  error: undefined variable ‘dnsExtensionMechanism’ at
  .../nixpkgs/nixos/modules/config/networking.nix:177:33
2016-01-20 01:19:03 +01:00
..
2016-01-20 01:19:03 +01:00
2016-01-17 22:05:13 +00:00
2016-01-16 15:12:30 +02:00