nixos/systemd-lib: fix cross-compiling

Changed files
+1 -1
nixos
modules
system
+1 -1
nixos/modules/system/boot/systemd-lib.nix
···
let
cfg = config.systemd;
-
lndir = "${pkgs.xorg.lndir}/bin/lndir";
+
lndir = "${pkgs.buildPackages.xorg.lndir}/bin/lndir";
in rec {
shellEscape = s: (replaceChars [ "\\" ] [ "\\\\" ] s);