[BUG] nacl_secure_service.c: Fixed cleanup_ripple_ledger_service
[BUG] nacl_secure_service.c: Fixed cleanup_ripple_ledger_service

wilsonianb/nacl_contracts,wilsonianb/nacl_contracts,wilsonianb/nacl_contracts,wilsonianb/nacl_contracts,wilsonianb/nacl_contracts