KDockWidget addition

[Michael Goffioul]

Not critical, but for symetry, the following method should be added
to KDockWidget class:

KDockWidgetAbstractHeader* KDockWidget::header()
{
    return header;
}

This can be useful for example if you want to install an event filter
on the dock header (as I do). There are other workarounds, but this
makes things easier.

Michael.

-- 
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Michael Goffioul		IMEC-DESICS-MIRA
e-mail: goffioul at imec.be	(Mixed-Signal and RF Applications)
Tel:    +32/16/28-8510		Kapeldreef, 75
Fax:    +32/16/28-1515		3001 HEVERLEE, BELGIUM
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