BUG: fix empty output projRef

Modules/Filtering/Projection/test/otbGeometriesProjectionFilterFromMapToGeo.cxx

@@ -26,6 +26,7 @@
 #include "otbGeometriesSet.h"
 #include "otbImage.h"
 #include "otbImageFileReader.h"
+#include "otbGeoInformationConversion.h"
 
 /*===========================================================================*/
 /*==============================[ other stuff ]==============================*/
@@ -55,6 +56,7 @@ int otbGeometriesProjectionFilterFromMapToGeo(int argc, char* argv[])
   GeometriesFilterType::Pointer filter = GeometriesFilterType::New();
   filter->SetInput(in_set);
   filter->SetOutput(out_set);
+  filter->SetOutputProjectionRef(otb::GeoInformationConversion::ToWKT(4326));
 
   filter->Update();