lol

nixos: fix evaluation

After commit 5e468b9, evaluation failed with:

error: undefined variable ‘dnsExtensionMechanism’ at
.../nixpkgs/nixos/modules/config/networking.nix:177:33

+1 -1
+1 -1
nixos/modules/config/networking.nix
··· 174 174 '' + optionalString cfg.dnsSingleRequest '' 175 175 # only send one DNS request at a time 176 176 resolv_conf_options+=' single-request' 177 - '' + optionalString dnsExtensionMechanism '' 177 + '' + optionalString cfg.dnsExtensionMechanism '' 178 178 # enable extension mechanisms for DNS 179 179 resolv_conf_options+=' edns0' 180 180 '' + optionalString hasLocalResolver ''