COMP: fixes for msvc 2015 64 bit

Modules/Core/SpatialObjects/include/otbLineSpatialObject.h

@@ -81,7 +81,7 @@ public:
   }
 
   /** Return the number of points in the list */
-  unsigned long GetNumberOfPoints(void) const ITK_OVERRIDE
+  itk::SizeValueType GetNumberOfPoints(void) const ITK_OVERRIDE
   {
     return m_Points.size();
   }

Modules/Core/SpatialObjects/test/otbLineSpatialObjectNew.cxx

@@ -21,8 +21,7 @@
 
 int otbLineSpatialObjectNew(int itkNotUsed(argc), char * itkNotUsed(argv) [])
 {
-  const unsigned int Dimension = 2;
-  typedef otb::LineSpatialObject<Dimension> LineSpatialObjectType;
+  typedef otb::LineSpatialObject<2> LineSpatialObjectType;
 
   // Instantiating object
   LineSpatialObjectType::Pointer object = LineSpatialObjectType::New();

Modules/Filtering/Path/include/otbImageToEdgePathFilter.h

@@ -75,6 +75,7 @@ public:
   typedef typename OutputPathType::ContinuousIndexType ContinuousIndexType;
 
   typedef typename InputImageType::PixelType PixelType;
+  typedef typename InputImageType::SizeType SizeType;
 
   /** Set and Get foreground value */
   itkSetMacro(ForegroundValue, PixelType);

Modules/Filtering/Path/include/otbImageToEdgePathFilter.txx

@@ -63,7 +63,7 @@ ImageToEdgePathFilter<TInputImage, TOutputPath>
   typename PadFilterType::Pointer pad = PadFilterType::New();
   pad->SetInput(inputImage);
   pad->SetConstant(initPadConstant);
-  long unsigned int padSize[2] = {1, 1};
+  SizeType padSize = { 1, 1 };
   pad->SetPadUpperBound(padSize);
   pad->SetPadLowerBound(padSize);
   pad->Update();