[D-runtime] [D-Programming-Language/druntime] ac6d7b: lost a deprecation warning. adding it back

[noreply at github.com]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime

  Commit: ac6d7bac10b382345d4773d6e55db9d117b43ea3
      https://github.com/D-Programming-Language/druntime/commit/ac6d7bac10b382345d4773d6e55db9d117b43ea3
  Author: Sean Kelly <sean at invisibleduck.org>
  Date:   2011-07-01 (Fri, 01 Jul 2011)

  Changed paths:
    M src/core/thread.d

  Log Message:
  -----------
  lost a deprecation warning.  adding it back