[Libguestfs] libguestfs-test-tool error, libcap.so - no such file

[Hilko Bengen]

* Skippy VonDrake:

> Did install from source of libguestfs-1.20.1 on Ubuntu-12.10.
> And libguestfs-test-tool complains about not finding libcap.so.2

I had similar problems while preparing 1.20 on Debian/unstable, but I
fixed this for the package that I uploaded. (It's still stuck in the NEW
queue: http://ftp-master.debian.org/new/libguestfs_1:1.20.1-2.html)

Somehow I forgot to send the necessary patches to the list. Will do
tonight.

Cheers,
-Hilko