clean up a bit

examples/iotdashboard/MainContent.cpp

@@ -54,6 +54,7 @@ namespace
         LightIntensity( QQuickItem* parent = nullptr )
             : Box( "Light intensity", parent )
         {
+            addSpacer( 5 );
             auto* lightDisplay = new LightDisplay( this );
             lightDisplay->setValue( 50.0 );
         }

examples/iotdashboard/nodes/RadialTickmarksNode.cpp

@@ -58,7 +58,7 @@ RadialTickmarksNode::~RadialTickmarksNode()
 }
 
 void RadialTickmarksNode::update(const QColor& color, const QRectF& rect,
-    const QskArcMetrics &arcMetrics, const QskIntervalF& boundaries,
+    const QskArcMetrics& arcMetrics, const QskIntervalF& /*boundaries*/,
     const QskScaleTickmarks& tickmarks, int lineWidth,
     Qt::Orientation /*orientation*/ )
 {