common: introduce red_printf_debug
common: introduce red_printf_debug

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