Ca: (minor) tracking: replace float with fscal to make data types consistent

A minor change.

Ca: tracking: replace float with fscal to make data types consistent

algo/ca/core/tracking/CaCloneMerger.cxx

@@ -22,7 +22,7 @@ using namespace cbm::algo;
 
 // ---------------------------------------------------------------------------------------------------------------------
 //
-CloneMerger::CloneMerger(const ca::Parameters<fvec>& pars, const float mass) : fParameters(pars), fDefaultMass(mass) {}
+CloneMerger::CloneMerger(const ca::Parameters<fvec>& pars, const fscal mass) : fParameters(pars), fDefaultMass(mass) {}
 
 // ---------------------------------------------------------------------------------------------------------------------
 //
@@ -40,7 +40,7 @@ void CloneMerger::Exec(const ca::InputData& input, WindowData& wData)
   Vector<ca::HitIndex_t>& firstHit     = fTrackFirstHit;
   Vector<ca::HitIndex_t>& lastHit      = fTrackLastHit;
   Vector<unsigned short>& neighbour    = fTrackNeighbour;
-  Vector<float>& trackChi2             = fTrackChi2;
+  Vector<fscal>& trackChi2             = fTrackChi2;
   Vector<char>& isStored               = fTrackIsStored;
   Vector<char>& isDownstreamNeighbour  = fTrackIsDownstreamNeighbour;