client/glz_decoder.cpp: gcc 4.6.0 unused fixes
client/glz_decoder.cpp: gcc 4.6.0 unused fixes

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