gss: use autoreconfHook

the provided configure script will break the build by using invalid c
attributes on clang-19. using autoreconfHook fixes this.

pkgs/by-name/gs/gss/package.nix

@@ -1,6 +1,8 @@
 { lib
 , stdenv
 , fetchurl
+, autoreconfHook
+, gtk-doc
 , withShishi ? !stdenv.hostPlatform.isDarwin
 , shishi
 }:
@@ -20,6 +22,8 @@ stdenv.mkDerivation rec {
     rm tests/krb5context.c
   '';
 
+  nativeBuildInputs = [ autoreconfHook gtk-doc ];
+
   buildInputs = lib.optional withShishi shishi;
 
   # ./stdint.h:89:5: error: expected value in expression