ENH: Forcing geom file writing for the new app framework

Code/ApplicationEngine/otbWrapperOutputImageParameter.cxx

@@ -75,6 +75,7 @@ void OutputImageParameter::InitializeWriters()
     caster->InPlaceOn();                                                          \
     writer->SetFileName( this->GetFileName() );                                   \
     writer->SetInput(caster->GetOutput());                                        \
+    writer->WriteGeomFileOn();                                                    \
     if (m_RAMValue != 0)                                                          \
       writer->SetAutomaticTiledStreaming(m_RAMValue);                             \
     writer->Update();                                                             \