#5902: adapt standard ppx driver to support extra arguments.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13267 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Revert bad commit.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13268 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02