[gtk+] demo: add a close button to the info bar demo

[William Jon McCann <mccann src gnome org>]

commit fbf0b298133266a2e7e3bee6b2ec5756d7c8766a
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Jul 15 15:08:10 2013 -0400

    demo: add a close button to the info bar demo
    
    https://bugzilla.gnome.org/show_bug.cgi?id=704274

 demos/gtk-demo/infobar.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/demos/gtk-demo/infobar.c b/demos/gtk-demo/infobar.c
index 0aea064..22d9a07 100644
--- a/demos/gtk-demo/infobar.c
+++ b/demos/gtk-demo/infobar.c
@@ -66,6 +66,7 @@ do_infobar (GtkWidget *do_widget)
       gtk_box_pack_start (GTK_BOX (gtk_info_bar_get_content_area (GTK_INFO_BAR (bar))), label, FALSE, FALSE, 
0);
 
       bar = gtk_info_bar_new_with_buttons (_("_OK"), GTK_RESPONSE_OK, NULL);
+      gtk_info_bar_set_show_close_button (GTK_INFO_BAR (bar), TRUE);
       g_signal_connect (bar, "response", G_CALLBACK (on_bar_response), window);
       gtk_box_pack_start (GTK_BOX (vbox), bar, FALSE, FALSE, 0);
       gtk_info_bar_set_message_type (GTK_INFO_BAR (bar), GTK_MESSAGE_QUESTION);