BUG: allow override of initalize() by deriving classes

include/otbSARPolygonsFunctor.h

@@ -72,7 +72,7 @@ public:
   itkTypeMacro(SARPolygonsFunctor, itk::Object);
 
   // Initialize method
-  void initalize(int nbElt, TOutputPixel * outValue, int /*threadId=1*/)
+  virtual void initalize(int nbElt, TOutputPixel * outValue, int /*threadId=1*/)
   {
     // Re Initialize outValue
     for(int ind = 0; ind < nbElt; ind++)