Fix dom.scheduler_type.
Fix dom.scheduler_type.

We were forgetting to pass the type and nparams into the
create_sched_type_array callback, which means we were always
returning garbage.  Fix that here.

Signed-off-by: Chris Lalancette <60b62644009db6b194cc0445b64e9b27bb26433a@redhat.com>

pronix/ruby-libvirt,pronix/ruby-libvirt,pronix/ruby-libvirt