[gnome-robots/arnaudb/wip/gtk4: 17/33] Adapt to HeaderBar API.

[Arnaud B. <arnaudb src gnome org>]

commit 53104178d3929cc16da4c3b05a661bc4a36a0210
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon May 25 18:32:31 2020 +0200

    Adapt to HeaderBar API.

 src/gnome-robots.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gnome-robots.c b/src/gnome-robots.c
index 1810626..5356824 100644
--- a/src/gnome-robots.c
+++ b/src/gnome-robots.c
@@ -358,7 +358,7 @@ activate (GtkApplication *app, gpointer user_data)
 
   headerbar = gtk_header_bar_new ();
   gtk_header_bar_set_title (GTK_HEADER_BAR (headerbar), _("Robots"));
-  gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (headerbar), TRUE);
+  gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (headerbar), TRUE);
 
   appmenu = gtk_application_get_menu_by_id (app, "primary-menu");
   button = gtk_menu_button_new ();