fix msvc64 port by removing unused open Misc (untested, esp. on other Windows ports)
fix msvc64 port by removing unused open Misc (untested, esp. on other Windows ports)

git-svn-id: e7e61699ce1738538ffebb75374fbea0924bc775@14501 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

msprotz/ocaml,msprotz/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,eliberis/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,eliberis/ocaml,eliberis/ocaml,eliberis/ocaml,msprotz/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,yunxing/ocaml