Update sip

python/core/layertree/qgslayertreemodellegendnode.sip

@@ -393,6 +393,7 @@ class QgsDataDefinedSizeLegendNode : QgsLayerTreeModelLegendNode
 %Docstring
 Construct the node using QgsDataDefinedSizeLegend as definition of the node's appearance
 %End
+    ~QgsDataDefinedSizeLegendNode();
 
     virtual QVariant data( int role ) const;
 

python/core/qgsdiagramrenderer.sip

@@ -650,6 +650,7 @@ class QgsLinearlyInterpolatedDiagramRenderer : QgsDiagramRenderer
 %End
   public:
     QgsLinearlyInterpolatedDiagramRenderer();
+    ~QgsLinearlyInterpolatedDiagramRenderer();
 
     virtual QgsLinearlyInterpolatedDiagramRenderer *clone() const /Factory/;
 

python/core/symbology-ng/qgslegendsymbolitem.sip

@@ -30,6 +30,7 @@ class QgsLegendSymbolItem
 .. versionadded:: 2.8
 %End
     ~QgsLegendSymbolItem();
+
     QgsLegendSymbolItem( const QgsLegendSymbolItem &other );
 
     QgsSymbol *symbol() const;