Review Request: Plasma::ScrollWidget: One liner fix for segmentation fault when using "Preferred" as size policy

[Bruno Abinader]

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Review request for Plasma and Marco Martin.


Summary
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This patch fixes a segmentation fault ( https://bugs.kde.org/show_bug.cgi?id=202890 ) when using Plasma::ScrollWidget() under certain circumstances (i.e. when using "Preferred" as size policy for a ScrollWidget or when using a widget style != oxygen).


This addresses bug 202890.
    https://bugs.kde.org/show_bug.cgi?id=202890


Diffs
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  trunk/KDE/kdelibs/plasma/widgets/scrollwidget.cpp 1062690 

Diff: http://reviewboard.kde.org/r/2379/diff


Testing
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I've tested this patch and now when using a widget style different from oxygen (QtCurve) or using "Preferred" as unique size policy, both situations behaved normally.


Thanks,

Bruno