Align module binding with Parsetree.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/extension_points@13447 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Align module type binding with Parsetree.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/extension_points@13448 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02