Include in 3-prong candidate creator

Author: vkucera

PWGHF/TableProducer/candidateCreator3Prong.cxx

@@ -44,6 +44,7 @@
 #include "Tools/KFparticle/KFUtilities.h"
 
 #include "PWGHF/Core/CentralityEstimation.h"
+#include "PWGHF/Core/DecayChannels.h"
 #include "PWGHF/DataModel/CandidateReconstructionTables.h"
 #include "PWGHF/Utils/utilsBfieldCCDB.h"
 #include "PWGHF/Utils/utilsEvSelHf.h"
@@ -56,6 +57,7 @@ using namespace o2::analysis;
 using namespace o2::hf_evsel;
 using namespace o2::hf_trkcandsel;
 using namespace o2::aod::hf_cand_3prong;
+using namespace o2::hf_decay::hf_cand_3prong;
 using namespace o2::hf_centrality;
 using namespace o2::hf_occupancy;
 using namespace o2::constants::physics;