update error print

Author: gonejack

chardet/chardet.gogs.go

@@ -9,7 +9,7 @@ import (
 func DetectEncodingByGogsChardet(dat []byte) (string, error) {
 	v, err := chardet.NewTextDetector().DetectBest(dat)
 	if err != nil {
-		return "", fmt.Errorf("detect failed by github.com/wlynxg/chardet: %s", err)
+		return "", fmt.Errorf("detect failed by github.com/wlynxg/chardet: %w", err)
 	}
 	return v.Charset, nil
 }