Fixed fluentd.ParseAddr return nil values on error

fluentd/config.go

@@ -10,7 +10,7 @@ func ParseAddr(addr string) (string, int, error) {
 	fHost := p[0]
 	fPort, err := strconv.Atoi(p[1])
 	if err != nil {
-		return nil, nil, err
+		return "", 0, err
 	}
 
 	return fHost, fPort, nil