debian package cfengine2 is broken? permissions on /var/lib/cfengine2

[Kief Morris]

I'm no longer able to install the cfengine2 package from the testing 
distribution of Debian.
Upgrading it on machines where it's already installed doesn't seem to cause a 
problem,
but a new install gets an error when I do apt-get install cfengine2:

    Selecting previously deselected package cfengine2.
   (Reading database ... 14446 files and directories currently installed.)
    Unpacking cfengine2 (from .../cfengine2_2.0.9+2.1.0b3-1_i386.deb) ...
    Setting up cfengine2 (2.0.9+2.1.0b3-1) ...
    ::UNTRUSTED: Private key directory /var/lib/cfengine2 was not private!

The /var/lib/cfengine2 directory doesn't exist before I run the install, so 
it's the
install process which is setting up the directory and then bitching that it 
doesn't
like the permissions on it.

I'm asking here because I've seen a couple messages on this list about
permissions on this directory under Debian, so I'm wondering if there's a link,
or at least people who understand what's going wrong.

Thanks,
Kief