BUG: Fixing null pointer error seen in tests

Modules/Adapters/GdalAdapters/src/otbOGRVersionProxy1x.cxx

@@ -42,7 +42,12 @@ void OGRVersionProxy::Close(GDALDatasetType * dataset)
   
 OGRVersionProxy::GDALDatasetType * OGRVersionProxy::Create(GDALDriverType * driver, const char * name)
 {
-  return driver->CreateDataSource(name);
+  GDALDatasetType * ds = driver->CreateDataSource(name);
+
+  if(ds)  
+    ds->SetDriver(driver);
+  
+  return ds;
 }
 
 bool OGRVersionProxy::Delete(GDALDriverType * driver, const char * name)

Modules/Applications/AppSegmentation/app/otbSegmentation.cxx

@@ -675,7 +675,10 @@ private:
        //and recomputed FID for each features (without holes).
         //Note : the GetDriver() Method has not been encapsulated in otb::ogr::DataSource,
         //so we must access the OGR pointer by using .ogr()
-       std::string driverName(ogrDS->ogr().GetDriver()->GetName());
+        
+        otb::OGRVersionProxy::GDALDatasetType & gdalDS = ogrDS->ogr();
+        otb::OGRVersionProxy::GDALDriverType * gdalDriver = gdalDS.GetDriver();
+        std::string driverName(gdalDriver->GetName());
        if ( driverName.find("ESRI Shapefile") != std::string::npos)
          {
            otbAppLogINFO(<<"REPACK the Shapefile ..."<<std::endl);