refactor: Improve CRollingBloomFilter::reset by using std::fill
refactor: Improve CRollingBloomFilter::reset by using std::fill

Former-commit-id: 0ebad92aa274e7aeab471918f10b1b5f9e0dffe5
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin