Remove warning about item not on the scene.

This patch fixes a warning about the QGraphicsItems not being on the
QGraphicsScene, and thus, cannot be removed from it.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/profile/profilewidget2.cpp

@@ -32,8 +32,8 @@ ProfileWidget2::ProfileWidget2(QWidget *parent) :
 	timeAxis(new TimeAxis()),
 	depthController(new DiveRectItem()),
 	timeController(new DiveRectItem()),
-	diveProfileItem(new DiveProfileItem()),
-	temperatureItem(new DiveTemperatureItem()),
+	diveProfileItem(NULL),
+	temperatureItem(NULL),
 	cartesianPlane(new DiveCartesianPlane())
 {
 	setScene(new QGraphicsScene());