message: fix for collision geometry in embedding mode
diff: @@ -232,7 +232,7 @@ void AliGenCocktail::Generate()
  if(vtxGen){
  const AliHeader* hBg = vtxGen->GetHeader();
  if(hBg){
  - AliGenEventHeader* genHeader = hBg->GenEventHeader();
  + AliGenHijingEventHeader* genHeader = (AliGenHijingEventHeader*)hBg->GenEventHeader();
  coll = (AliCollisionGeometry*)genHeader;
  }
  }
  