[D-runtime] [D-Programming-Language/druntime] fc45de: don't need TLS workaround for Win64

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: fc45de1d089a1025df60ee2eea66ba27ee0bd99c
      https://github.com/D-Programming-Language/druntime/commit/fc45de1d089a1025df60ee2eea66ba27ee0bd99c
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-10-12 (Fri, 12 Oct 2012)

  Changed paths:
    M src/core/sys/windows/dll.d

  Log Message:
  -----------
  don't need TLS workaround for Win64