[chronojump] Minor change

[Xavier de Blas <xaviblas src gnome org>]

commit c3c29ba81178aad4c8bee2b1e291cb6bdf9f40a8
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu May 21 15:24:47 2020 +0200

    Minor change

 src/gui/app1/session/backup.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gui/app1/session/backup.cs b/src/gui/app1/session/backup.cs
index 7815c731..df80ab6f 100644
--- a/src/gui/app1/session/backup.cs
+++ b/src/gui/app1/session/backup.cs
@@ -31,7 +31,7 @@ public partial class ChronoJumpWindow
        string app1s_fileCopy;
        Gtk.FileChooserDialog app1s_fc;
        static UtilCopy app1s_uc;
-       private Thread app1s_threadBackup; //TODO: ensure this ended on quit program
+       private Thread app1s_threadBackup;
 
        private void on_button_db_backup_pre_clicked (object o, EventArgs args)
        {