[D-runtime] [D-Programming-Language/druntime] bcfa3b: add OSX 64 bit support

[noreply at github.com]

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

  Commit: bcfa3bf2d3e30eba0d56616e8f09d42c8a892c23
      https://github.com/D-Programming-Language/druntime/commit/bcfa3bf2d3e30eba0d56616e8f09d42c8a892c23
  Author: Walter Bright <walter at walterbright.com>
  Date:   2011-11-13 (Sun, 13 Nov 2011)

  Changed paths:
    M src/rt/llmath.d

  Log Message:
  -----------
  add OSX 64 bit support