[sysprof/wip/gtk4-port] application: fix close-request signal

[Christian Hergert <chergert src gnome org>]

commit 29ea8445d60f4c2fdfc573c9faebb94d96aed8b7
Author: Christian Hergert <chergert redhat com>
Date:   Fri Oct 1 15:22:27 2021 -0700

    application: fix close-request signal

 src/sysprof/sysprof-application.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/sysprof/sysprof-application.c b/src/sysprof/sysprof-application.c
index d0d045ee..e07115e2 100644
--- a/src/sysprof/sysprof-application.c
+++ b/src/sysprof/sysprof-application.c
@@ -212,7 +212,7 @@ sysprof_about (GSimpleAction *action,
                          NULL);
 
   g_signal_connect (dialog,
-                    "response",
+                    "close-request",
                     G_CALLBACK (gtk_window_destroy),
                     NULL);