codegen: avoid creating out if not used (fix gcc 4.6.0 warning)
codegen: avoid creating out if not used (fix gcc 4.6.0 warning)

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