[gtk+] Revert "Remove a superfluous ref"

[Matthias Clasen <matthiasc src gnome org>]

commit f7f63ae3eede9c2e6aa6dd12307ee4972d44abb4
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu May 2 08:21:42 2013 -0400

    Revert "Remove a superfluous ref"
    
    This reverts commit f326c0eac806b037c7100309887ffc5f9193070d.
    
    Grr, turns out that cancelling is not that reliable :-(

 gtk/gtkplacessidebar.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index 35a758d..9b08485 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -2205,7 +2205,8 @@ mount_volume (GtkPlacesSidebar *sidebar, GVolume *volume)
        mount_op = gtk_mount_operation_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (sidebar))));
        g_mount_operation_set_password_save (mount_op, G_PASSWORD_SAVE_FOR_SESSION);
 
-       g_volume_mount (volume, 0, mount_op, NULL, volume_mount_cb, g_object_ref (sidebar));
+       g_object_ref (sidebar);
+       g_volume_mount (volume, 0, mount_op, NULL, volume_mount_cb, sidebar);
 }
 
 static void
@@ -3571,6 +3572,8 @@ hostname_proxy_new_cb (GObject      *source_object,
        sidebar->hostnamed_proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
        g_clear_object (&sidebar->hostnamed_cancellable);
 
+       g_object_unref (sidebar);
+
        if (error != NULL) {
                g_debug ("Failed to create D-Bus proxy: %s", error->message);
                g_error_free (error);
@@ -3830,7 +3833,7 @@ gtk_places_sidebar_init (GtkPlacesSidebar *sidebar)
                                  "org.freedesktop.hostname1",
                                  sidebar->hostnamed_cancellable,
                                  hostname_proxy_new_cb,
-                                 sidebar);
+                                 g_object_ref (sidebar));
 
        sidebar->drop_state = DROP_STATE_NORMAL;
        sidebar->new_bookmark_index = -1;