BUG: Fix build warnings.

Fix build warnings in Patch Set 1 in gerrit-topic [22345] (http://review.source.kitware.com/#/c/23345/). Rename shadowed local variables. Remove unused `main` parameters.

Author: Jon Haitz Legarreta Gorroño

Segmentation/VoronoiDiagram2DGenerator.cxx

@@ -2,11 +2,11 @@
 #include "itkImageFileWriter.h"
 #include "itkVTKPolyDataWriter.h"
 
-int main(int, char* [] )
+int main( int, char* [] )
 {
  constexpr double height = 100;
  constexpr double width = 100;
- 
+
  using VoronoiDiagramType = itk::VoronoiDiagram2D<double>;
  using VoronoiGeneratorType = itk::VoronoiDiagram2DGenerator<double>;
 
@@ -30,32 +30,32 @@ int main(int, char* [] )
  seed0[0] = 50;
  seed0[1] = 50;
  seeds.push_back(seed0);
- 
+
  PointType seed1;
  seed1[0] = 25;
  seed1[1] = 25;
  seeds.push_back(seed1);
- 
+
  PointType seed2;
  seed2[0] = 75;
  seed2[1] = 25;
  seeds.push_back(seed2);
- 
+
  PointType seed3;
  seed3[0] = 25;
  seed3[1] = 75;
  seeds.push_back(seed3);
- 
+
  PointType seed4;
  seed4[0] = 75;
  seed4[1] = 75;
  seeds.push_back(seed4);
- 
+
  for(const auto & seed : seeds)
  {
  voronoiGenerator->AddOneSeed(seed);
  }
- 
+
  voronoiGenerator->Update();
  voronoiDiagram = voronoiGenerator->GetOutput();
 
@@ -97,10 +97,10 @@ int main(int, char* [] )
 
  // Write the resulting mesh
  using WriterType = itk::VTKPolyDataWriter<VoronoiDiagramType::Superclass>;
- WriterType::Pointer writer = WriterType::New();
- writer->SetInput(voronoiDiagram);
- writer->SetFileName("voronoi.vtk");
- writer->Update();
+ WriterType::Pointer vtkPolyDataWriter = WriterType::New();
+ vtkPolyDataWriter->SetInput(voronoiDiagram);
+ vtkPolyDataWriter->SetFileName("voronoi.vtk");
+ vtkPolyDataWriter->Update();
 
  // Setup an image to visualize the input
  {
@@ -135,16 +135,16 @@ int main(int, char* [] )
  ind[0] = 25;
  ind[1] = 75;
  image->SetPixel(ind, 255);
- 
+
  ind[0] = 75;
  ind[1] = 75;
  image->SetPixel(ind, 255);
 
  using ImageWriterType = itk::ImageFileWriter< ImageType >;
- ImageWriterType::Pointer writer = ImageWriterType::New();
- writer->SetFileName("image.png");
- writer->SetInput(image);
- writer->Update();
+ ImageWriterType::Pointer imageFileWriter = ImageWriterType::New();
+ imageFileWriter->SetFileName("image.png");
+ imageFileWriter->SetInput(image);
+ imageFileWriter->Update();
  }
 
  return EXIT_SUCCESS;

SimpleOperations/Offset.cxx

@@ -3,7 +3,7 @@
 
 #include <iostream>
 
-int main(int argc, char *argv[])
+int main( int, char* [] )
 {
  itk::Index<2> index;
  index[0] = 5;