message: Fix Apply correct names of media
  Thanks to Ivana Hrivnacova:
  "As the module name is 'DIPO', the medium needs to be called 'DIPO_FE_C0' etc."
diff: @@ -824,9 +824,9 @@ TGeoVolume * AliDIPOv2::CreateMagnetYoke()
  TGeoVolumeAssembly * voMagnet = new TGeoVolumeAssembly("DCM0");
  voMagnet->SetName("DCM0");
  TGeoRotation * Ry180 = new TGeoRotation("Ry180", 180., 180., 0.);
  - TGeoMedium * kMedAlu = gGeoManager->GetMedium("DCM0_ALU_C0");
  - TGeoMedium * kMedCooper = gGeoManager->GetMedium("DCM0_Cu_C0");
  - TGeoMedium * kMedIron = gGeoManager->GetMedium("DCM0_FE_C0");
  + TGeoMedium * kMedAlu = gGeoManager->GetMedium("DIPO_ALU_C0");
  + TGeoMedium * kMedCooper = gGeoManager->GetMedium("DIPO_Cu_C0");
  + TGeoMedium * kMedIron = gGeoManager->GetMedium("DIPO_FE_C0");
  new TGeoBBox("shMagnetYokeOuter" , 116.4/2.0 , 90.2/2.0 , 250.0/2.0 );
  new TGeoBBox("shMagnetYokeInnerUp" , 8.0/2.0 , 32.2/2.0 , 250.0/1.0 );
  