f9204b9762
The PAM service name used before this commit was "sambda", with an extra 'd'. For some reason I don't quite fully understand this typo prevents GDM from starting. This change fixes that as tested in VMs built using "nixos-rebuild -I nixpkgs=<mypkgs> build-vm".
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.