message: Add analysis for ParticleYieldRatioCorrelations
diff: #pragma link C++ class AliAnalysisTaskFluctMCTEPOS+;
  #pragma link C++ class AliAnalysisTaskParticleYieldRatioCorrelationsEfficiency+;
  +#pragma link C++ class AliAnalysisTaskParticleYieldRatioCorrelations+;
  #endif
  