[gtk/headless-seatless] displayclose: Quietly skip if no X available

[Matthias Clasen <matthiasc src gnome org>]

commit 0232218100f07d11986fda9b81f2221812794078
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 15 14:58:58 2020 -0400

    displayclose: Quietly skip if no X available

 testsuite/gtk/displayclose.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/testsuite/gtk/displayclose.c b/testsuite/gtk/displayclose.c
index 55da35c0f8..5c1c2fee8a 100644
--- a/testsuite/gtk/displayclose.c
+++ b/testsuite/gtk/displayclose.c
@@ -19,7 +19,7 @@ main (int argc, char **argv)
   display = gdk_display_open (display_name);
 
   if (!display)
-    return 1;
+    return 0;
 
   gdk_display_manager_set_default_display (gdk_display_manager_get (), display);
 
@@ -27,7 +27,7 @@ main (int argc, char **argv)
 
   but = gtk_button_new_with_label ("Try to Exit");
   g_signal_connect_swapped (but, "clicked",
-                           G_CALLBACK (gtk_window_destroy), win);
+                            G_CALLBACK (gtk_window_destroy), win);
   gtk_window_set_child (GTK_WINDOW (win), but);
 
   gtk_widget_show (win);