[phobos] [D-Programming-Language/phobos] 64a498: Update changelog.dd for 2.059 release.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 64a498da501bbe4a9fc5014c208a2479457740b6
      https://github.com/D-Programming-Language/phobos/commit/64a498da501bbe4a9fc5014c208a2479457740b6
  Author: k-hara <k.hara.pg at gmail.com>
  Date:   2012-04-01 (Sun, 01 Apr 2012)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  Update changelog.dd for 2.059 release.