fix clang loop copy warning
fix clang warning:
Phys/DaVinciNeutralTools/src/FunctionalBremAdder.cpp:263:20: warning: loop variable 'hypo' creates a copy from type 'const SmartRef<LHCb::CaloHypo>' [-Wrange-loop-construct]
fix clang warning:
Phys/DaVinciNeutralTools/src/FunctionalBremAdder.cpp:263:20: warning: loop variable 'hypo' creates a copy from type 'const SmartRef<LHCb::CaloHypo>' [-Wrange-loop-construct]