[D-runtime] [D-Programming-Language/druntime] 84ed85: fix remaining deprecation errors on OSX

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 84ed85b45c0ab5f76b2ff8de131dfcabb26d199b
      https://github.com/D-Programming-Language/druntime/commit/84ed85b45c0ab5f76b2ff8de131dfcabb26d199b
  Author: Martin Nowak <dawg at dawgfoto.de>
  Date:   2012-07-18 (Wed, 18 Jul 2012)

  Changed paths:
    M src/core/sync/semaphore.d
    M src/core/thread.d
    M src/rt/deh2.d

  Log Message:
  -----------
  fix remaining deprecation errors on OSX

- use non-deprecated Semaphore.wait(Duration)

- replace length with $ for array indexing