[Libguestfs] [PATCH] guestfish: Use xstrtol to parse integers (RHBZ#557655).

See also: https://bugzilla.redhat.com/show_bug.cgi?id=557655 -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v