--- a/demos/sub-attaq/torpedo.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/demos/sub-attaq/torpedo.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -64,7 +64,7 @@
     launchAnimation->setEndValue(QPointF(x(),qobject_cast<GraphicsScene *>(scene())->sealLevel() - 15));
     launchAnimation->setEasingCurve(QEasingCurve::InQuad);
     launchAnimation->setDuration(y()/currentSpeed*10);
-    connect(launchAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationLaunchValueChanged(const QVariant &)));
+    connect(launchAnimation,SIGNAL(valueChanged(QVariant)),this,SLOT(onAnimationLaunchValueChanged(QVariant)));
     connect(this,SIGNAL(torpedoExploded()), launchAnimation, SLOT(stop()));
 
     //We setup the state machine of the torpedo