[OpenAFS] bug report: MacOS installer says "a newer version is installed" even if it was uninstalled

[Adam Megacz]

To reproduce:

  1. Install OpenAFS 1.5.71
  2. Reboot
  3. Run OpenAFS 1.5.71 Uninstall.command script
  4. Reboot
  5. Attempt to install OpenAFS 1.4.12rc2

It will refuse to install.

  - a