[Libguestfs] Generator functions format changed slightly

https://github.com/libguestfs/libguestfs/commit/39d1a7dbc9c7d4ae8cbb492a3... [for some reason, github hides most of that commit] This commit changes the format of the generator functions slightly. The commit message contains an example, and it should be straightforward to convert between the two formats. The new format is documented in generator/generator_types.ml. The reason for changing this is so that we can attach other data to each function. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://et.redhat.com/~rjones/virt-df/