Add file missing from 3e4536

Author: nyalldawson

src/core/symbology-ng/qgssymbolv2.h

@@ -315,8 +315,9 @@ class CORE_EXPORT QgsSymbolV2
     //! @deprecated since 2.14, use QgsSymbolLayerV2::isCompatibleWithSymbol instead
     Q_DECL_DEPRECATED bool isSymbolLayerCompatible( SymbolType layerType );
 
-    //! render editing vertex marker at specified point
-    void renderVertexMarker( QPointF& pt, QgsRenderContext& context, int currentVertexMarkerType, int currentVertexMarkerSize );
+    //! Render editing vertex marker at specified point
+    //! @note added in QGIS 2.16
+    void renderVertexMarker( QPointF pt, QgsRenderContext& context, int currentVertexMarkerType, int currentVertexMarkerSize );
 
     SymbolType mType;
     QgsSymbolLayerV2List mLayers;