Use concrete RateLimit Error

Author: reimannf

pkg/objects/file.go

@@ -213,12 +213,10 @@ func (f File) uploadNormalObject(body io.Reader, sourceState FileState, hdr swif
 
 	util.Log(util.LogError, "PUT %s/%s failed: %s", containerName, objectName, err.Error())
 
-	if serr, ok := err.(*swift.Error); ok {
+	if err == swift.RateLimit {
 		//upload failed due to rate limit, object is definitely not uploaded
 		//prevent additional rate limit caused by an unnecessary delete request
-		if serr.StatusCode == 498 {
-			return false
-		}
+		return false
 	}
 
 	//delete potentially incomplete upload