[balsa/gtk4: 102/312] main-window: Use container-add for the statusbar

[Peter Bloomfield <peterb src gnome org>]

commit b582b63da9ded1f932fc915cacef6279107f1523
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Aug 24 15:24:31 2020 -0400

    main-window: Use container-add for the statusbar
    
    instead of box-pack-start, so that hexpand is respected.

 src/main-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/main-window.c b/src/main-window.c
index cd4e0a157..4991fe329 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -2323,7 +2323,7 @@ balsa_window_new(GtkApplication *application)
     priv->statusbar = gtk_statusbar_new();
     gtk_widget_set_hexpand(priv->statusbar, TRUE);
     gtk_widget_set_halign(priv->statusbar, GTK_ALIGN_FILL);
-    gtk_box_pack_start(GTK_BOX(hbox), priv->statusbar, FALSE, FALSE, 0);
+    gtk_container_add(GTK_CONTAINER(hbox), priv->statusbar);
     gtk_widget_show_all(hbox);
 
 #if 0