[gdm] Make --with-custom-conf work

[Ray Strode <halfline src gnome org>]

commit fc2e63e3a61ebb20b6b54cc4923afe8b24929e3d
Author: Luca Bruno <lethalman88 gmail com>
Date:   Mon Dec 21 13:27:34 2009 -0500

    Make --with-custom-conf work
    
    custom.conf was hard-coded in one place before.

 common/gdm-settings-desktop-backend.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/common/gdm-settings-desktop-backend.c b/common/gdm-settings-desktop-backend.c
index e380f27..9215f44 100644
--- a/common/gdm-settings-desktop-backend.c
+++ b/common/gdm-settings-desktop-backend.c
@@ -327,7 +327,7 @@ gdm_settings_desktop_backend_init (GdmSettingsDesktopBackend *backend)
         backend->priv = GDM_SETTINGS_DESKTOP_BACKEND_GET_PRIVATE (backend);
 
         backend->priv->key_file = g_key_file_new ();
-        backend->priv->filename = g_strdup (GDMCONFDIR "/custom.conf");
+        backend->priv->filename = g_strdup (GDM_CUSTOM_CONF);
 
         error = NULL;
         res = g_key_file_load_from_file (backend->priv->key_file,