WRG: Remove warning compilation.

Code/Common/otbCommandLineArgumentParser.cxx

Code/Gui/otbFltkWriterWatcher.cxx

Code/IO/otbJPEG2000ImageIO.cxx

Code/Learning/otbChangeProfileKernelFunctor.cxx

Code/Learning/otbMixturePolyRBFKernelFunctor.cxx

Code/Learning/otbSpectralAngleKernelFunctor.cxx

Code/Visu/otbGluPolygonDrawingHelper.cxx

Code/Visualization/otbCircleGlComponent.cxx

Code/Visualization/otbCrossGlComponent.cxx

Testing/Code/otbTestHelper.cxx