Fix for decoding issue in chroma format 400
Fix decoding crash (VS debug version) in chroma format 400: In function CABACReader::transform_unit
, area.blocks[COMPONENT_Cb]
is not valid for chroma format 400.
Fix decoding crash (VS debug version) in chroma format 400: In function CABACReader::transform_unit
, area.blocks[COMPONENT_Cb]
is not valid for chroma format 400.