Fwd: DragonFly ISO release build failure

[justin at shiningsilence.com]

>     I don't think it will be difficult.  A little helper program in
> /usr/sbin to conditionally add password and group entries (and other
> types of things) would do the trick.

If it changes the general upgrade process, let me know, and I can document
this.  Most everyone does a buildworld, sooner or later, and I want to
make sure I've got it right.