PVS-Studio warning V646 for Geant4

G4double
G4EmBiasingManager::ApplySecondaryBiasing(....)
{
  ....
  if(0 == nsplit) {
    if(safety > fSafetyMin) {
      ApplyRangeCut(vd, track, eloss, safety);
    }
  } if(1 == nsplit) {
    weight = ApplyRussianRoulette(vd, index);
  } else {
    G4double tmpEnergy = ....;
    G4ThreeVector tmpMomDir = ....;
    weight = ....;
    pPartChange->SetProposedKineticEnergy(tmpEnergy);
    pPartChange->ProposeMomentumDirection(tmpMomDir);
  }
  ....
}

This suspicious code was found in Geant4 project by PVS-Studio static code analyzer.
Warning message is:
V646 Consider inspecting the application's logic. It's possible that 'else' keyword is missing. _G4processes-archive g4embiasingmanager.cc 299

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/