libetonyek: enable strictDeps / parallel building, clean up

pkgs/by-name/li/libetonyek/package.nix

···
   zlib,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "libetonyek";
   version = "0.1.12";
 
   src = fetchFromGitHub {
     owner = "LibreOffice";
     repo = "libetonyek";
-    rev = "libetonyek-${version}";
+    rev = "libetonyek-${finalAttrs.version}";
     hash = "sha256-dvYbV+7IakgOkGsZ+zaW+qgn/QoD6Jwq/juaE+7iYug=";
   };
 
···
 
   configureFlags = [ "--with-mdds=2.1" ];
 
-  meta = with lib; {
+  strictDeps = true;
+
+  enableParallelBuilding = true;
+
+  meta = {
     description = "Library and a set of tools for reading and converting Apple iWork documents (Keynote, Pages and Numbers)";
     homepage = "https://github.com/LibreOffice/libetonyek";
-    changelog = "https://github.com/LibreOffice/libetonyek/blob/${src.rev}/NEWS";
-    license = licenses.mpl20;
+    changelog = "https://github.com/LibreOffice/libetonyek/blob/${finalAttrs.src.rev}/NEWS";
+    license = lib.licenses.mpl20;
     maintainers = [ ];
-    platforms = platforms.all;
+    platforms = lib.platforms.all;
   };
-}
+})