[sudo-workers] sudo 1.7.2b1 available

[Todd C. Miller]

The seond beta version of sudo 1.7.2 is now available.  Unless a
major problem is found the first release candidate should be out
in a week.

Download links:
    http://www.sudo.ws/sudo/dist/beta/sudo-1.7.2b2.tar.gz
    ftp://ftp.sudo.ws/pub/sudo/beta/sudo-1.7.2b2.tar.gz

Major changes between sudo 1.7.2b1 and 1.7.2b2:

 * Fixed a problem with certain PAM modules that call setenv() with
   a NULL variable name.

 * Better documentation for non-Unix group support.