monitor: Split MonitorQAPIEventConf off MonitorQAPIEventState In preparation of turning monitor_qapi_event_state[] into a hash table for finer grained throttling. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1444921716-9511-5-git-send-email-armbru@redhat.com>