ensure the huffman table does not exceed 256 entries (fixes #17589)
ensure the huffman table does not exceed 256 entries (fixes #17589)

freedesktop-unofficial-mirror/swfdec__swfdec,mltframework/swfdec,freedesktop-unofficial-mirror/swfdec__swfdec,freedesktop-unofficial-mirror/swfdec__swfdec,mltframework/swfdec