[gnome-photos] done-notification: Use g_auto*

[Debarshi Ray <debarshir src gnome org>]

commit 1e671db21b85ca261ed7e037ca6308e8e643f1b8
Author: Umang Jain <mailumangjain gmail com>
Date:   Sun Oct 8 09:11:20 2017 +0530

    done-notification: Use g_auto*
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788174

 src/photos-done-notification.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-done-notification.c b/src/photos-done-notification.c
index c802d6d..f2bcf50 100644
--- a/src/photos-done-notification.c
+++ b/src/photos-done-notification.c
@@ -106,7 +106,7 @@ photos_done_notification_constructed (GObject *object)
   GtkWidget *undo;
   const gchar *id;
   const gchar *name;
-  gchar *msg;
+  g_autofree gchar *msg = NULL;
 
   G_OBJECT_CLASS (photos_done_notification_parent_class)->constructed (object);
 
@@ -120,7 +120,6 @@ photos_done_notification_constructed (GObject *object)
   gtk_widget_set_halign (label, GTK_ALIGN_START);
   gtk_widget_set_hexpand (label, TRUE);
   gtk_container_add (GTK_CONTAINER (self), label);
-  g_free (msg);
 
   undo = gtk_button_new_with_label (_("Undo"));
   gtk_widget_set_valign (undo, GTK_ALIGN_CENTER);