(#396) Fixed updatePlotData system. Set curve name from result variable

ApplicationCode/ProjectDataModel/RimWellLogExtractionCurve.h

@@ -41,6 +41,7 @@ public:
     virtual void updatePlotData();
 
 protected:
+    void updateCurveTitle();
 
     virtual void fieldChangedByUi(const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue);
     virtual void defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering& uiOrdering);