Update signrawtransaction to not throw error when wallet is locked.
Update signrawtransaction to not throw error when wallet is locked.

Peerunity/Peerunity,FuzzyBearBTC/Peerunity,Peerunity/Peerunity,Peerunity/Peerunity,FuzzyBearBTC/Peerunity,Peerunity/Peerunity,FuzzyBearBTC/Peerunity,FuzzyBearBTC/Peerunity