[Libguestfs] [PATCH 5/7] hivex: Move header checksum code into a function.

This is just code motion. We will reuse this function in a later patch in the 'write' series. Rich. -- 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