Clean ctkVTKScalarsToColorsComboBox

Libs/Visualization/VTK/Widgets/ctkVTKScalarsToColorsComboBox.cpp

@@ -85,7 +85,7 @@ ctkVTKScalarsToColorsComboBox::ctkVTKScalarsToColorsComboBox(QWidget* _parent)
 // --------------------------------------------------------------------------
 ctkVTKScalarsToColorsComboBox::~ctkVTKScalarsToColorsComboBox()
 {
-  QComboBox::clear();
+  this->clear();
 }
 
 // --------------------------------------------------------------------------
@@ -162,7 +162,7 @@ void ctkVTKScalarsToColorsComboBox::onCurrentIndexChanged(int index)
 
 // --------------------------------------------------------------------------
 void ctkVTKScalarsToColorsComboBox::onRowsAboutToBeRemoved(
-  const QModelIndex& parent, int first, int last)
+  const QModelIndex&, int first, int last)
 {
   for (int i = first; i <= last; ++i)
   {