[phobos] [D-Programming-Language/phobos] 2346ef: Win64 makefile fixes

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 2346ef9a68e7840623bb6d539a3f884ba0f56705
      https://github.com/D-Programming-Language/phobos/commit/2346ef9a68e7840623bb6d539a3f884ba0f56705
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-09-10 (Mon, 10 Sep 2012)

  Changed paths:
    M posix.mak
    M win32.mak
    M win64.mak

  Log Message:
  -----------
  Win64 makefile fixes