nb_queue was not zeroed so that we no longer delivered events if a
previous guest left the device in an overflow state.
The state of absolute does not matter as the next vmmouse_update_handler
call will align it again.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-Id: <f056c7e5-fa74-469c-87f8-0f0925301b2d@web.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>