add the layout to the parent. this sucks because it isn't done in Layout where it should be, but setLayout results in pure virtuals being called... so child class it is for now.

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=692625

widgets/boxlayout.cpp

@@ -37,6 +37,7 @@ BoxLayout::BoxLayout(LayoutItem *parent)
     : Layout(parent),
       d(new Private)
 {
+    parent->setLayout(this);
 }
 
 BoxLayout::~BoxLayout()