message: Including Rt task at the rTPC
diff: #ifdef __CINT__
  //underlying event using transverse spherocity
  -#pragma link C++ class AliAnalysisTaskUeSpherocity+;
  #pragma link C++ class AliAnalysisTaskPPvsRT+;
  +#pragma link C++ class AliAnalysisTaskUeSpherocity+;
  #endif
  