fuzz: fix unused variable addrdb compiler warning
fuzz: fix unused variable addrdb compiler warning

Former-commit-id: e3dc6e601c13093d334dbcd0050be821f2e846bc
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin