[gnome-builder] layout: use g_signal_connect_object()

[Christian Hergert <chergert src gnome org>]

commit 300c1f0645c84584e3964e9139b134fb29c917a6
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 24 12:36:53 2018 -0700

    layout: use g_signal_connect_object()
    
    It's nice to get the extra safety of object invalidation here.

 src/libide/layout/ide-layout-stack-header.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/src/libide/layout/ide-layout-stack-header.c b/src/libide/layout/ide-layout-stack-header.c
index 44fee8389..f9cb963cc 100644
--- a/src/libide/layout/ide-layout-stack-header.c
+++ b/src/libide/layout/ide-layout-stack-header.c
@@ -255,10 +255,10 @@ create_document_row (gpointer item,
                                                       NULL),
                                "visible", TRUE,
                                NULL);
-  g_signal_connect (close_button,
-                    "clicked",
-                    G_CALLBACK (close_view_cb),
-                    self);
+  g_signal_connect_object (close_button,
+                           "clicked",
+                           G_CALLBACK (close_view_cb),
+                           self, 0);
   dzl_gtk_widget_add_style_class (GTK_WIDGET (close_button), "image-button");
 
   g_object_bind_property (item, "icon-name", image, "icon-name", G_BINDING_SYNC_CREATE);
@@ -695,10 +695,10 @@ ide_layout_stack_header_init (IdeLayoutStackHeader *self)
    * hide the popover.
    */
 
-  g_signal_connect (self->title_list_box,
-                    "row-activated",
-                    G_CALLBACK (ide_layout_stack_header_view_row_activated),
-                    self);
+  g_signal_connect_object (self->title_list_box,
+                           "row-activated",
+                           G_CALLBACK (ide_layout_stack_header_view_row_activated),
+                           self, 0);
 
   G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
   gtk_container_set_reallocate_redraws (GTK_CONTAINER (self), TRUE);