[phobos] [D-Programming-Language/phobos] 590e8c: Update changelog for 7515.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 590e8c43ffd66af8b747f998ec21aa6dc1a8eaaa
      https://github.com/D-Programming-Language/phobos/commit/590e8c43ffd66af8b747f998ec21aa6dc1a8eaaa
  Author: jmdavis <jmdavisProg at gmx.com>
  Date:   2012-06-10 (Sun, 10 Jun 2012)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  Update changelog for 7515.