celtdec update for change in celt_decode() return value
celtdec update for change in celt_decode() return value

Distrotech/celt,oneman/opus-oneman,dezelin/celt,dezelin/celt,mumble-voip/celt-0.11.0,oneman/opus-oneman,Distrotech/celt,mumble-voip/celt-0.11.0,Distrotech/celt,dezelin/celt,mumble-voip/celt-0.11.0,oneman/opus-oneman