WRG: silence warning 4251 in IOGDAL tests

Modules/IO/IOGDAL/test/otbGDALImageIOTestWriteMetadata.cxx

@@ -23,10 +23,19 @@
 #include <fstream>
 #include <sstream>
 
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4251)
+#include "gdal_priv.h"
+#include "cpl_string.h"
+#include "ogr_spatialref.h"
+#pragma warning(pop)
+#else
 #include "gdal_priv.h"
 #include "cpl_string.h"
 #include "ogr_spatialref.h"
-#include "itkMacro.h"
+#endif
 
 // Class to store ProjRef, GEOTransform and GCP info
 class DatasetInfoGDAL

Modules/IO/IOGDAL/test/otbGDALReadPxlComplex.cxx

@@ -19,8 +19,17 @@
  */
 
 
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4251)
 #include "gdal_priv.h"
 #include "ogr_core.h"
+#pragma warning(pop)
+#else
+#include "gdal_priv.h"
+#include "ogr_core.h"
+#endif
+
 #include <iostream>
 #include <complex>