IWASnappyStream: allow compressed blocklength to be greater than 65535...
IWASnappyStream: allow compressed blocklength to be greater than 65535...

Change-Id: Id3622af6e0e5fd2c49bdafd712ee4afac85c26ec

LibreOffice/libetonyek,LibreOffice/libetonyek,LibreOffice/libetonyek