Initialize the picpainter State in the QAlphaPaintEngine.

Patch by John Layt.

Analog to how the print preview problems on windows were fixed, this
is needed to correctly print e.g. web view contents.

Task-number: QTBUG-36308
Task-number: QTBUG-37240
Change-Id: If4ecffde969ed221bbbeea80232f29f095fd71cd
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: John Layt <jlayt@kde.org>

src/printsupport/kernel/qpaintengine_alpha.cpp

@@ -345,6 +345,7 @@ void QAlphaPaintEngine::flushAndInit(bool init)
         d->m_picpainter->setFont(painter()->font());
         d->m_picpainter->setOpacity(painter()->opacity());
         d->m_picpainter->setTransform(painter()->combinedTransform());
+        *d->m_picpainter->d_func()->state = *painter()->d_func()->state;
         d->m_picengine->syncState();
     }
 }