This is analogous to commit a1b38387 made by Rusty Russell to all
the VirtIO headers at the time. This eases the use of the header as
is by other OSes.
Signed-off-by: NBryan Venteicher <bryanv@daemoninthecloset.org>
Acked-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>