Remove extraneous c_str
Remove extraneous c_str

(cherry picked from commit 0a59723ff6218d545438e8e0f3083fc1d1b98bd4)

reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin