Inflate works incorrectly with the Z_SYNC_FLUSH flag

[kirill-782]

After the data has been sent to the push method with the Z_SYNC_FLUSH flag, no data appears in result. At the same time, Zlib node js does a good job on the same piece of data. Test code and file: test.zip I guess the problem is that zlib returns Z_OK instead of Z_STREAM_END.