Update to 1.6.9
- PAM, since present, is used by default.
- Environment variable handling has changed significantly.
- Sudo checks the user's supplemental group vector so nsswitch order is
no longer important for group based rules.
(See UPGRADE and CHANGING under share/doc/sudo/ for more.)
- PAM file is no longer clobered on reinstall.
- OPIE option has been removed due to PAM being used by default.
- Selected documentation is now installed.