ENH: Adding VertexListIteratorType

Code/Common/otbPolyLineParametricPathWithValue.h

@@ -55,7 +55,8 @@ class ITK_EXPORT PolyLineParametricPathWithValue
  typedef typename Superclass::VertexType VertexType;
  typedef typename Superclass::VertexListType VertexListType;
  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
-
+ typedef typename VertexListType::ConstIterator   VertexListIteratorType;
+ 
  itkGetMacro(Key,std::string);
 
  void SetValue(ValueType value)

Code/Common/otbPolygon.h

@@ -57,7 +57,7 @@ class ITK_EXPORT Polygon
   typedef typename Superclass::VertexType          VertexType;
   typedef typename Superclass::VertexListType      VertexListType;
   typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
-  typedef typename VertexListType::ConstIterator   VertexListIteratorType;
+  typedef typename Superclass::ConstIterator   VertexListIteratorType;
 
   typedef itk::ImageRegion<2>                       RegionType;
   typedef typename RegionType::SizeType            SizeType;