user: Don't drop owned windows in WIN_EnumChildWindows.

[Dmitry Timoshkov]

On Tue, 2006-01-24 at 12:56 -0700, Vitaliy Margolen wrote:

> ChangeLog:
> user: Don't drop owned windows in WIN_EnumChildWindows.
> Add few tests to test this.

It would be interesting to add IsChild calls in there and see
what they return. We have at least one failing test in msg.c,
test_DestroyWindow() which shows that our IsChild implementation
is not entirely correct.

-- 
Dmitry.