[phobos] [dlang/installer] 9fcc39: fix unbound bash variables in activate script

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/installer
  Commit: 9fcc39b53fdfaec375273d8f1850b338cc45f5fe
      https://github.com/dlang/installer/commit/9fcc39b53fdfaec375273d8f1850b338cc45f5fe
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-08-06 (Sat, 06 Aug 2016)

  Changed paths:
    M script/install.sh

  Log Message:
  -----------
  fix unbound bash variables in activate script

- allow to source the activate script with set -u


  Commit: 8a8e0c27b101299c5808f2c98a3e03a44be29cd5
      https://github.com/dlang/installer/commit/8a8e0c27b101299c5808f2c98a3e03a44be29cd5
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-08-06 (Sat, 06 Aug 2016)

  Changed paths:
    M script/install.sh

  Log Message:
  -----------
  Merge pull request #188 from MartinNowak/fix_unbound_installer_variables

fix unbound bash variables in activate script


Compare: https://github.com/dlang/installer/compare/c777a91b353c...8a8e0c27b101