Fix possible maybe-uninitialized (warnings)
Fix possible maybe-uninitialized (warnings)

"possible" because this warning was observed only on Travis build.

nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official