add Xic->PKPi into swapping calculation when matchCorrelatedBackground=true

Author: lubynets

PWGHF/TableProducer/candidateCreator3Prong.cxx

@@ -1126,8 +1126,8 @@ struct HfCandidateCreator3ProngExpressions {
             if (indexRec > -1) {
               flagChannelMain = sign * channelMain;
 
-              /// swapping for D+, Ds->Kpipi and Lc->pKpi
-              if (std::abs(flagChannelMain) == DecayChannelMain::DplusToPiKK || std::abs(flagChannelMain) == DecayChannelMain::DsToPiKK || std::abs(flagChannelMain) == DecayChannelMain::LcToPKPi) {
+              /// swapping for D+, Ds->Kpipi; Lc, Xic->pKpi
+              if (std::abs(flagChannelMain) == DecayChannelMain::DplusToPiKK || std::abs(flagChannelMain) == DecayChannelMain::DsToPiKK || std::abs(flagChannelMain) == DecayChannelMain::LcToPKPi || std::abs(flagChannelMain) == DecayChannelMain::XicToPKPi) {
                 if (arrayDaughters[0].has_mcParticle()) {
                   swapping = static_cast<int8_t>(std::abs(arrayDaughters[0].mcParticle().pdgCode()) == kPiPlus);
                 }