pkgs/tools: pkgconfig -> pkg-config

pkgs/tools/security/mfcuk/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libnfc }:
+{ lib, stdenv, fetchurl, pkg-config, libnfc }:
 
 stdenv.mkDerivation {
   pname = "mfcuk";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "0m9sy61rsbw63xk05jrrmnyc3xda0c3m1s8pg3sf8ijbbdv9axcp";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libnfc ];
 
   meta = with lib; {