Fix ZSTD_estimateDStreamSize function after ZSTD_DStream and ZSTD_DCtx were merged
Fix ZSTD_estimateDStreamSize function after ZSTD_DStream and ZSTD_DCtx were merged

Cyan4973/zstd,Cyan4973/zstd,Cyan4973/zstd,Cyan4973/zstd,Cyan4973/zstd