inspector: Stop using ::delete-event signal

We can just use GtkWindow::hide-on-close instead.

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 41aba2020412e5a417f34dfe96c270357e4e2ea6..400bd2a0a55dd792c2cab04df3e7686757af3a00 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -11018,8 +11018,7 @@ gtk_window_set_debugging (gboolean enable,
     {
       gtk_inspector_init ();
       inspector_window = gtk_inspector_window_new ();
-      g_signal_connect (inspector_window, "delete-event",
-                        G_CALLBACK (gtk_widget_hide_on_delete), NULL);
+      gtk_window_set_hide_on_close (GTK_WINDOW (inspector_window), TRUE);
 
       if (warn)
         {