red_channel: fix pipe item leak
red_channel: fix pipe item leak

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