[gnome-control-center] display: ensure primary display is set in config

[William Jon McCann <mccann src gnome org>]

commit 9cd6ecac9f499b104e952855741464bfed664e3a
Author: William Jon McCann <jmccann redhat com>
Date:   Mon Nov 22 21:40:34 2010 -0500

    display: ensure primary display is set in config
    
    https://bugzilla.gnome.org/show_bug.cgi?id=635455

 panels/display/xrandr-capplet.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/panels/display/xrandr-capplet.c b/panels/display/xrandr-capplet.c
index 1ad3940..8e4813a 100644
--- a/panels/display/xrandr-capplet.c
+++ b/panels/display/xrandr-capplet.c
@@ -2132,6 +2132,7 @@ ensure_current_configuration_is_saved (void)
     return;
 
   rr_config = gnome_rr_config_new_current (rr_screen);
+  gnome_rr_config_ensure_primary (rr_config);
   gnome_rr_config_save (rr_config, NULL); /* NULL-GError */
 
   gnome_rr_config_free (rr_config);
@@ -2187,6 +2188,7 @@ sanitize_and_save_configuration (App *app)
   GError *error;
 
   gnome_rr_config_sanitize (app->current_configuration);
+  gnome_rr_config_ensure_primary (app->current_configuration);
 
   check_required_virtual_size (app);