[Bug 29646] Microsoft Wine Guide crashes after playing one video clip (string sent to MCIWNDM_SENDSTRINGA needs previous translation from 16-bit)

https://bugs.winehq.org/show_bug.cgi?id=29646

--- Comment #8 from Dmitry Timoshkov  ---
(In reply to Bruno Jesus from comment #7)
> Thanks, Dmitry. I understand what you said but I don't know where to make
> that conversion after viewing the backtrace. All uses of MapSL seem to be in
> 16-bit DLLs so msvfw32 would need to receive the already mapped address.

Probably the best fix would be to introduce 16-bit MCIWndProc handler.