Implement support for NETWM utility window type

[Alexandre Julliard]

Mike Hearn <mike at theoretic.com> writes:

> OK. For future reference, what did I do wrong? The styles stuff seems
> rather convoluted.

Well, mostly it was needlessly complicated, and the check for
WS_CAPTION was wrong (WS_CAPTION is not a single bit so you can't test
it with a simple mask).

-- 
Alexandre Julliard
julliard at winehq.com