message: Fix compilation when fastjet is disabled
diff: #pragma link C++ class AliAnalysisTaskBeauty+;
  #pragma link C++ class AliAnalysisTaskJpsi+;
  #pragma link C++ class AlimakeJPsiTree+;
  +#ifdef HAVE_FASTJET
  +// Classes which need direct access only to Fastjet objects (not
  +// needed if wrapped into ALICE objects)
  #pragma link C++ class AliAnalysisTaskJpsiJet+;
  #pragma link C++ class AliAnalysisTaskJpsiJetFilter+;
  #endif
  +#endif
  