Extra info in scrollbar can be an handle.

[Marco Bizzarri]

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Hi all.

We have an application which crashes when trying to access the Window Long
info in a scrollbar.

After some tracking, it looked like the issue was that in some cases the
wExtra data can contain an handle rather than a pointer.

The included patch solves the problem by making an explicit GlobalLock,
and returning that value. I'm not sure this is the correct solution, so
comments are welcome.

wine is from the latest cvs

- -- 
Marco Bizzarri - Responsabile Tecnico - Icube S.r.l.
Sede:   Via Ridolfi 15 - 56124 Pisa (PI), Italia 
E-mail: m.bizzarri(a)icube.it		WWW: www.icube.it	
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