pdftk: fix build

vcunat · vcunat · commit ef047548ed5d · 2018-01-07T11:50:40.000+01:00
Fixes #33509.
diff --git a/pkgs/tools/typesetting/pdftk/default.nix b/pkgs/tools/typesetting/pdftk/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "1hdq6zm2dx2f9h7bjrp6a1hfa1ywgkwydp14i2sszjiszljnm3qi";
   };
 
-  buildInputs = [ gcj unzip ];
+  nativeBuildInputs = [ gcj unzip ];
 
   hardeningDisable = [ "fortify" "format" ];
 
