[Swftools-common] bug in swfextract

[Peter Nikolai Stausholm]

Hi

Adobe Flash player can play a compressed partial swf (where the zlib
compressed stream is truncated before graphics objects (probably an
export option in Adobe Flash - I don't know))

swfextract fails because it expects a full zlib stream, it uses
umcompress from zlib library.

the problem is that uncompress uses inflate(&stream, Z_FINISH); which
expects a full stream instead swfextract should use inflate(&stream,
Z_SYNC_FLUSH);

Peter