REFAC: remove not needed c_str

...les/Adapters/GdalAdapters/src/otbOGRDataSourceWrapper.cxx

...ions/AppClassification/app/otbComputeImagesStatistics.cxx

...tions/AppClassification/app/otbDSFuzzyModelEstimation.cxx

...lications/AppClassification/app/otbOGRLayerClassifier.cxx

...tions/AppClassification/app/otbVectorDataDSValidation.cxx

...Applications/AppSegmentation/app/otbLSMSVectorization.cxx

...tyReduction/test/otbSparseWvltToAngleMapperListFilter.cxx

...ng/Projection/include/otbGenericRSResampleImageFilter.hxx

Modules/IO/IOONERA/src/otbONERAImageIO.cxx

Modules/IO/IOXML/include/otbStatisticsXMLFileReader.hxx

Modules/IO/IOXML/include/otbStatisticsXMLFileWriter.hxx

Modules/IO/TestKernel/src/otbTestHelper.cxx

...hirdParty/OssimPlugins/src/ossim/ossimAlosPalsarModel.cpp

...es/ThirdParty/OssimPlugins/src/ossim/ossimErsSarModel.cpp

...s/ApplicationEngine/src/otbWrapperDocExampleStructure.cxx

Modules/Wrappers/QGIS/src/otbQgisDescriptor.cxx