Adding missing file closes

Author: Neko-Box-Coder

internal/buffer/buffer.go

@@ -537,6 +537,7 @@ func (b *Buffer) ReOpen() error {
 	if err != nil {
 		return err
 	}
+	defer file.Close()
 
 	enc, err := htmlindex.Get(b.Settings["encoding"].(string))
 	if err != nil {

internal/buffer/save.go

@@ -356,9 +356,11 @@ func (b *Buffer) safeWrite(path string, withSudo bool, newFile bool) (int, error
 	backupDir := b.backupDir()
 	if _, err := os.Stat(backupDir); err != nil {
 		if !errors.Is(err, fs.ErrNotExist) {
+			file.Close()
 			return 0, err
 		}
 		if err = os.Mkdir(backupDir, os.ModePerm); err != nil {
+			file.Close()
 			return 0, err
 		}
 	}
@@ -367,13 +369,15 @@ func (b *Buffer) safeWrite(path string, withSudo bool, newFile bool) (int, error
 	_, err = b.overwriteFile(backupName)
 	if err != nil {
 		os.Remove(backupName)
+		file.Close()
 		return 0, err
 	}
 
 	b.forceKeepBackup = true
 	size, err := file.Write(b)
 	if err != nil {
 		err = util.OverwriteError{err, backupName}
+		file.Close()
 		return size, err
 	}
 	b.forceKeepBackup = false