[parrot/parrot] 6ea7fc: Fix macro name for windows build

[GitHub]

  Branch: refs/heads/whiteknight/io_cleanup1
  Home:   https://github.com/parrot/parrot
  Commit: 6ea7fc17841f6eb7bcdf5c805fe56b81926bc3a3
      https://github.com/parrot/parrot/commit/6ea7fc17841f6eb7bcdf5c805fe56b81926bc3a3
  Author: Whiteknight <wknight8111 at gmail.com>
  Date:   2012-08-11 (Sat, 11 Aug 2012)

  Changed paths:
    M src/platform/win32/io.c

  Log Message:
  -----------
  Fix macro name for windows build