STYLE: fix ifdef guard

Code/BasicFilters/otbBoxAndWhiskerImageFilter.h

Code/BasicFilters/otbBoxAndWhiskerImageFilter.txx

Code/BasicFilters/otbEdgeDensityImageFilter.txx

Code/BasicFilters/otbEdgeDetectorImageFilter.h

Code/BasicFilters/otbEdgeDetectorImageFilter.txx

Code/BasicFilters/otbKeyPointDensityImageFilter.txx

Code/BasicFilters/otbPointSetToDensityImageFilter.txx

...cFilters/otbStreamingMatrixTransposeMatrixImageFilter.txx

Code/Common/otbCommandLineArgumentParser.h

Code/Common/otbQuickLookImageGenerator.txx

Code/FeatureExtraction/otbImageToSURFKeyPointSetFilter.txx

Code/FeatureExtraction/otbPanTexTextureImageFunctionFilter.h

Code/FeatureExtraction/otbUrbanAreaDetectionImageFilter.h

Code/FeatureExtraction/otbUrbanAreaDetectionImageFilter.txx

Code/IO/otbImageSeriesFileReader.h

Code/IO/otbImageSeriesFileReader.txx

Code/IO/otbImageSeriesFileReaderBase.h

Code/IO/otbImageSeriesFileReaderBase.txx

Code/Learning/otbSOMWithMissingValue.h

Code/Learning/otbSOMWithMissingValue.txx