fix def copy ctor for cblssecretkey
fix def copy ctor for cblssecretkey


Former-commit-id: 11fd48e73f8fff8b75f811d63a588747a7ddb3a0
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin