user32: search more aggressively for a window under a tooltip

[Dmitry Timoshkov]

Daniel Jelinski <djelinski1 at gmail.com> wrote:

> As for a test case, do you prefer a minimalistic test case with one
> test that would be todo_wine without this patch and ok without it, or
> a massive test involving several overlapping windows belonging to
> different threads?

There are some existing test for RealChildWindowFrompoint, if you could
add new tests there that would be great.

-- 
Dmitry.