server/red_worker: fix for case where ASSERT is compiled out
server/red_worker: fix for case where ASSERT is compiled out

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