fix: non-constant format string in call to ...

Signed-off-by: Derek Su <[email protected]>

Author: derekbit

sparse/sfold.go

@@ -64,7 +64,7 @@ func coalesce(parentFileIo, childFileIo FileIoProcessor, fileSize int64, ops Fil
 
 	defer func() {
 		if err != nil {
-			log.Errorf(err.Error())
+			log.Errorf("%v", err)
 			updateProgress(progress, atomic.LoadUint32(progress), true, err, progressMutex, ops)
 		} else {
 			updateProgress(progress, progressComplete, true, nil, progressMutex, ops)

sparse/sprune.go

@@ -60,7 +60,7 @@ func prune(parentFileIo, childFileIo FileIoProcessor, fileSize int64, ops FileHa
 
 	defer func() {
 		if err != nil {
-			log.Errorf(err.Error())
+			log.Errorf("%v", err)
 			updateProgress(progress, atomic.LoadUint32(progress), true, err, progressMutex, ops)
 		} else {
 			updateProgress(progress, progressComplete, true, nil, progressMutex, ops)