WRG: use base class GetOutputGeometry to avoid overloaded-virtual warning

include/otbSARCartesianMeanFunctor.h

@@ -53,7 +53,7 @@ namespace Function
 public:
   /** Standard class typedefs */
   typedef SARCartesianMeanFunctor        Self;
-  typedef itk::Object                   Superclass;
+  typedef SARPolygonsFunctor<TInputPixel, TOutputPixel>                   Superclass;
   typedef itk::SmartPointer<Self>       Pointer;
   typedef itk::SmartPointer<const Self> ConstPointer;
  
@@ -377,6 +377,7 @@ public:
     this->SetEstimatedComponents(estimatedComponents);    
   }
 
+  using Superclass::GetOutputGeometry;
   
   /**
    * Method GetOutputGeometry (override)