* archive.c: Removed not needed includes.
       * class.c: Same change.
       * hash.c: Same change.
       * misc.c: Same change.
       * nil_method.c: Same change.
       * objects.c: Same change.
       * sarray.c: Same change.
       * sendmsg.c: Same change.
       * thr.c: Same change.

From-SVN: r164214