[PATCH resend] winex11: Send SC_KEYMENU on managed windows.

[Marvin]

Hi,

While running your changed tests on Windows, 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=26094

Your paranoid android.


=== w7pro64 (32 bit msg) ===
msg.c:11036: Test failed: msg.message = 30 instead of WM_TIMER
msg.c:11040: Test failed: msg.message = 30 instead of WM_TIMER
msg.c:11043: Test failed: msg.message = 30 instead of WM_TIMER

=== w1064 (64 bit msg) ===
msg.c:7444: Test failed: destroy child on thread exit: 3: the msg sequence is not complete: expected 0000 - actual 001a