Fix PR#6459: update StdlibModules

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@14987 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
#6457: Distinguish data and literals in CamlinternalFormat.make_printf (patch by Benoit Vaugon).

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@14988 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02