server/red_worker: handle_dev_update_area: fail if invalid area
server/red_worker: handle_dev_update_area: fail if invalid area

alon/spice-server,Fantu/spice,fgouget/spice,alon/spice-server,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,alon/spice-server,ya-mouse/spice,elmarco/spice,SPICE/spice,elmarco/spice,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,elmarco/spice,ya-mouse/spice,mathslinux/spice,mathslinux/spice,SPICE/spice,fgouget/spice,ya-mouse/spice,fgouget/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,Fantu/spice,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,SPICE/spice,Fantu/spice,elmarco/spice,elmarco/spice,fgouget/spice,alon/spice-server