comparison widgets/LayerTree.cpp @ 616:d632a1e87018 qt5

Build fixes for Qt5

 QModelIndex
 ModelMetadataModel::index(int row, int column, const QModelIndex &parent) const
 {
     if (!parent.isValid()) {
         if (row >= m_models.size()) return QModelIndex();
-	return createIndex(row, column, 0);
+	return createIndex(row, column, (void *)0);
     }
 
     return QModelIndex();
 }