storage: Supposed to be Sprintf
storage: Supposed to be Sprintf

FactomProject/goleveldb,no2key/goleveldb,trigrass2/goleveldb,conseweb/goleveldb,chai2010/goleveldb,ngaut/goleveldb,hustbill/goleveldb,zzl0/goleveldb,syndtr/goleveldb,btcsuite/goleveldb,rentongzhang/goleveldb