[phobos] [D-Programming-Language/phobos] 710004: Replace enforceEx with enforce where it's possible

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 71000474731e7d21b32152ec1de2e4834939d8e4
      https://github.com/D-Programming-Language/phobos/commit/71000474731e7d21b32152ec1de2e4834939d8e4
  Author: Geod24 <pro.mathias.lang at gmail.com>
  Date:   2014-08-25 (Mon, 25 Aug 2014)

  Changed paths:
    M std/concurrency.d
    M std/conv.d
    M std/datetime.d
    M std/format.d
    M std/json.d
    M std/net/curl.d
    M std/windows/registry.d

  Log Message:
  -----------
  Replace enforceEx with enforce where it's possible


  Commit: 3a29f6dbad6655cc98af904297d4c2990396f6fe
      https://github.com/D-Programming-Language/phobos/commit/3a29f6dbad6655cc98af904297d4c2990396f6fe
  Author: H. S. Teoh <hsteoh at quickfur.ath.cx>
  Date:   2014-08-25 (Mon, 25 Aug 2014)

  Changed paths:
    M std/concurrency.d
    M std/conv.d
    M std/datetime.d
    M std/format.d
    M std/json.d
    M std/net/curl.d
    M std/windows/registry.d

  Log Message:
  -----------
  Merge pull request #2462 from Geod24/kill-enforceex

[Trivial] Replace usage of enforceEx with enforce


Compare: https://github.com/D-Programming-Language/phobos/compare/2d7bcea08b30...3a29f6dbad66