Use curried style for X86_dsl.  Will adapt 32-bit emit.mlp later.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/abstract_intel_emit@15613 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Adapt 32-bit emit.mlp to curried style.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/abstract_intel_emit@15614 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02