[Bug 36375] eRacer demo doesn't start, fails to load audio files

https://bugs.winehq.org/show_bug.cgi?id=36375

--- Comment #3 from Béla Gyebrószki  ---
(In reply to Sagawa from comment #2)
> Created attachment 49465 [details]
> proposed patch
>
> Hi,  Béla
> Could you try out this patch?
>
> Actually, this issue isn't my fault (and regression). Even before the
> commit, eRacer shows the error message when specifying WINEDEBUG=mmio.
>
> I find out the root cause that wine sends MMIOM_SEEK message while opening a
> file. However, in native, MMIOM_SEEK isn't sent at all. Thus, I removed
> MMIOM_SEEK usages in mmioOpen() when custom procedure is used. Now, it works
> on my PC.
>
> If it works in your environment, too, I'll send the patch to wine-patches.
> Thanks in advance.

The patch works here with eRacer, thank you.