[gtk+] gtk4-demo: add a few missing window titles

[Matthias Clasen <matthiasc src gnome org>]

commit b3b6c42e18594990f6ce7e82de5a7126aa0aa5c3
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 6 06:29:32 2017 -0400

    gtk4-demo: add a few missing window titles

 demos/gtk-demo/event_axes.c |    2 +-
 demos/gtk-demo/popover.c    |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/event_axes.c b/demos/gtk-demo/event_axes.c
index 544f0a7..6c9d563 100644
--- a/demos/gtk-demo/event_axes.c
+++ b/demos/gtk-demo/event_axes.c
@@ -622,7 +622,7 @@ do_event_axes (GtkWidget *toplevel)
   if (!window)
     {
       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-      gtk_window_set_title (GTK_WINDOW (window), "Event Axes");
+      gtk_window_set_title (GTK_WINDOW (window), "Touch and Drawing Tablets");
       gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
 
       g_signal_connect (window, "destroy",
diff --git a/demos/gtk-demo/popover.c b/demos/gtk-demo/popover.c
index a95ca1b..1c07a48 100644
--- a/demos/gtk-demo/popover.c
+++ b/demos/gtk-demo/popover.c
@@ -133,6 +133,7 @@ do_popover (GtkWidget *do_widget)
   if (!window)
     {
       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+      gtk_window_set_title (GTK_WINDOW (window), "Popovers");
       box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 24);
       g_object_set (box, "margin", 24, NULL);
       gtk_container_add (GTK_CONTAINER (window), box);