Fix warning with qt-4.6 "Warning: Class Meter implements the interface QGraphicsItem but does not list it in Q_INTERFACES. qobject_cast to QGraphicsItem will not work!"
Fix warning with qt-4.6 "Warning: Class Meter implements the interface QGraphicsItem but does not list it in Q_INTERFACES. qobject_cast to QGraphicsItem will not work!"

svn path=/trunk/KDE/kdeutils/superkaramba/; revision=1026379

KDE/superkaramba,KDE/superkaramba,KDE/superkaramba