[Libguestfs] [PATCH] parted: Check partition number >= 1 in several calls.

This patch depends on the previous one, but is logically independent from it. It simply adds checks that the partition number >= 1 for all those part-* calls that take a partition number. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top