[phobos] [D-Programming-Language/phobos] 6c8b82: fix issue14724

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 6c8b8232c30c38cd2140625225e0b7211a4319ae
      https://github.com/D-Programming-Language/phobos/commit/6c8b8232c30c38cd2140625225e0b7211a4319ae
  Author: Robert burner Schadek <rburners at gmail.com>
  Date:   2015-08-16 (Sun, 16 Aug 2015)

  Changed paths:
    M std/getopt.d

  Log Message:
  -----------
  fix issue14724

some nicer impl


  Commit: 34a7fc52350634fec3590a4dfeb859cd00da6577
      https://github.com/D-Programming-Language/phobos/commit/34a7fc52350634fec3590a4dfeb859cd00da6577
  Author: Steven Schveighoffer <schveiguy at yahoo.com>
  Date:   2015-08-17 (Mon, 17 Aug 2015)

  Changed paths:
    M std/getopt.d

  Log Message:
  -----------
  Merge pull request #3489 from burner/issue14724

Fix issue 14724 - std.getopt: config.required breaks --help


Compare: https://github.com/D-Programming-Language/phobos/compare/febc636e5a46...34a7fc523506