ENH: fixed unused argc,argv warnings

Charts/Testing/Cxx/TestContext.cxx

@@ -42,7 +42,7 @@ public:
 };
 
 //----------------------------------------------------------------------------
-int TestContext( int argc, char * argv [] )
+int TestContext( int, char * [] )
 {
   // Set up a 2D context view, context test object and add it to the scene
   vtkSmartPointer<vtkContextView> view = vtkSmartPointer<vtkContextView>::New();

Charts/Testing/Cxx/TestDiagram.cxx

@@ -44,7 +44,7 @@ public:
 };
 
 //----------------------------------------------------------------------------
-int TestDiagram( int argc, char * argv [] )
+int TestDiagram( int, char * [] )
 {
   // Set up a 2D chart actor, APIDiagram object andn add them to the renderer
   VTK_CREATE(vtkContextActor, actor);

Charts/Testing/Cxx/TestGLSL.cxx

@@ -90,7 +90,7 @@ public:
 };
 
 //----------------------------------------------------------------------------
-int TestGLSL( int argc, char * argv [] )
+int TestGLSL( int, char * [] )
 {
   // Set up a 2D context view, context test object and add it to the scene
   VTK_CREATE(vtkContextView, view);

Charts/Testing/Cxx/TestLinePlot.cxx

@@ -25,7 +25,7 @@
 #include "vtkRenderWindowInteractor.h"
 
 //----------------------------------------------------------------------------
-int TestLinePlot( int argc, char * argv [] )
+int TestLinePlot( int, char * [] )
 {
   // Set up a 2D scene, add an XY chart to it
   vtkSmartPointer<vtkContextView> view =

Charts/Testing/Cxx/TestLinePlotInteraction.cxx

@@ -125,7 +125,7 @@ char TestLinePlotInteractionLog[] =
 "ExitEvent 395 300 0 0 0 0 0";
 
 //----------------------------------------------------------------------------
-int TestLinePlotInteraction(int argc, char * argv[])
+int TestLinePlotInteraction(int, char * [])
 {
   // Set up a 2D scene, add an XY chart to it
   vtkSmartPointer<vtkContextView> view =

Graphics/Testing/Cxx/TestCellDataToPointData.cxx

@@ -29,7 +29,7 @@
 #define vsp(type, name) \
         vtkSmartPointer<vtk##type> name = vtkSmartPointer<vtk##type>::New()
 
-int TestCellDataToPointData (int argc, char* argv [])
+int TestCellDataToPointData (int, char*[])
 {
   char const name [] = "RTData";
   vsp(RTAnalyticSource, wavelet);