[Bug 22064] The Settlers 7 Demo fails to start

http://bugs.winehq.org/show_bug.cgi?id=22064

--- Comment #65 from Hans Leidekker  2010-08-30 11:45:55 CDT ---
> The header should stay in the buffer the input data was in,
> regardless of its index.

That doesn't match my findings. Moving the data buffer around gave me
the impression that native stores decrypted data in the first empty
buffer then uses the next two empty buffers for header and trailer,
possibly reusing the original data buffer index.