Update rpcmining.cpp
Update rpcmining.cpp
ofeefee/fluttercoin,kizeren/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin,ofeefee/fluttercoin,kizeren/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin