[Bug 46849] Vietcong: taking handmap causes crash (ProcessVertices)

https://bugs.winehq.org/show_bug.cgi?id=46849

--- Comment #1 from Matteo Bruni  ---
Created attachment 63928
  --> https://bugs.winehq.org/attachment.cgi?id=63928
Patch

Thanks for the bug report and the log. I'm attaching a patch that probably
fixes the crash, it would be great if you could try it.

For the fellow wined3d devs: take a look at the commit message and let me know
what you think. This is going to be annoying no matter what...