[gnome-builder] greeter: use g_signal_connect() instead of object variant

[Christian Hergert <chergert src gnome org>]

commit e9cf7b81dcd687a998c983d7c17d6462faeac83b
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 6 21:05:38 2016 -0700

    greeter: use g_signal_connect() instead of object variant
    
    We can't use the object variant here, because we are passing the location
    of a pointer to a GObject, not a GObject directly.

 libide/greeter/ide-greeter-perspective.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/libide/greeter/ide-greeter-perspective.c b/libide/greeter/ide-greeter-perspective.c
index 34030d4..a279600 100644
--- a/libide/greeter/ide-greeter-perspective.c
+++ b/libide/greeter/ide-greeter-perspective.c
@@ -1141,11 +1141,10 @@ ide_greeter_perspective_init (IdeGreeterPerspective *self)
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
-  g_signal_connect_object (self->titlebar,
-                           "destroy",
-                           G_CALLBACK (gtk_widget_destroyed),
-                           &self->titlebar,
-                           0);
+  g_signal_connect (self->titlebar,
+                    "destroy",
+                    G_CALLBACK (gtk_widget_destroyed),
+                    &self->titlebar);
 
   g_signal_connect_object (self->search_entry,
                            "activate",