[PATCH v2 4/5] win32u: Move PopupMenuWndProc implementation from user32.

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=116921

Your paranoid android.


=== debian11 (32 bit report) ===

user32:
menu.c:2324: Test failed: test 25