[Bug 39378] winecfg and ntdll disagree upon the proper place for DllOverrides key

https://bugs.winehq.org/show_bug.cgi?id=39378

--- Comment #2 from Rafał Mużyło  ---
(In reply to Sebastian Lackner from comment #1)
> The proposed patch http://ix.io/fJE was confirmed to help for one user,
> however it may also just hide the problem.

Given the mmdevapi noted at the end of that issue, the patch does look like it
should work, though there are at least two questions:

- how would that affect pure 32bit prefixes ?
- does winecfg need a separate fix anyway ?