Remove naked returns from leveldb/storage/file_storage_windows.go.
Remove naked returns from leveldb/storage/file_storage_windows.go.

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