NefDecoder::DecodeUncompressed(): avoid overflows in calculations of yTotal
NefDecoder::DecodeUncompressed(): avoid overflows in calculations of yTotal

LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed