[Bug 52478] wine-staging 7.1 build fails in Ubuntu 18.04

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52478

--- Comment #3 from Alistair Leslie-Hughes  ---
(In reply to Olivier F. R. Dierick from comment #2)
> Created attachment 71776 [details]
> Replace switch with if-else
>
> Hello,
>
> This patch fixes the compilation for me.
>
> Regards.

I've just added a patch to cast the values, which should work as well.