camlp4,macro: Fix the difinition/expansion of macros that are inside IFDEFs
camlp4,macro: Fix the difinition/expansion of macros that are inside IFDEFs

Thanks to Jean-vincent Loddo for providing this patch.


git-svn-id: e7e61699ce1738538ffebb75374fbea0924bc775@9048 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

gerdstolpmann/ocaml,yunxing/ocaml,eliberis/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,hhugo/camlp4,msprotz/ocaml,msprotz/ocaml,chambart/camlp4,gerdstolpmann/ocaml,eliberis/ocaml,msprotz/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,yallop/camlp4,msprotz/ocaml,yunxing/ocaml,yunxing/ocaml,msprotz/ocaml