Changed type of fNHits in JPetEvent. fixes #585.
Changed type of fNHits in JPetEvent. fixes #585.


Former-commit-id: ed68f2155c83ecb0c3591b311e1f2f435ed4ce12
kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework