Re-enable cache freeing
Re-enable cache freeing

I don't know why this was disabled but it seems like a bad idea

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