fix getaddressbalance param variable check
fix getaddressbalance param variable check


Former-commit-id: 671734aacba5dd4e1674d1ae728ec9f01daac573
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin