[phobos] [D-Programming-Language/installer] 726d8d: Update libcurl-7.47.1

[GitHub via phobos]

  Branch: refs/heads/stable
  Home:   https://github.com/D-Programming-Language/installer
  Commit: 726d8d23bbbec67abce4b718a6d5555753931d40
      https://github.com/D-Programming-Language/installer/commit/726d8d23bbbec67abce4b718a6d5555753931d40
  Author: Carlos Une <brocolis at eml.cc>
  Date:   2016-03-12 (Sat, 12 Mar 2016)

  Changed paths:
    M create_dmd_release/build_all.d

  Log Message:
  -----------
  Update libcurl-7.47.1


  Commit: 2cff0dec49419b6c47ee64bff7bb0088bee8a6bd
      https://github.com/D-Programming-Language/installer/commit/2cff0dec49419b6c47ee64bff7bb0088bee8a6bd
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-03-12 (Sat, 12 Mar 2016)

  Changed paths:
    M create_dmd_release/build_all.d

  Log Message:
  -----------
  Merge pull request #170 from brocolis/libcurl-7.47.1-1

Update libcurl-7.47.1


Compare: https://github.com/D-Programming-Language/installer/compare/ebc452178823...2cff0dec4941