--- /dev/null
+--- gdm-2.20.11/daemon/gdm-daemon-config.h~ 2010-06-03 03:06:25.000000000 +0200
++++ gdm-2.20.11/daemon/gdm-daemon-config.h 2013-12-07 15:23:30.982654875 +0100
+@@ -78,6 +78,7 @@
+ gboolean gdm_daemon_config_to_string (const char *key,
+ const char *display,
+ char **retval);
++void gdm_daemon_load_config_file (GdmConfig **load_config);
+ gboolean gdm_daemon_config_update_key (const char *key);
+
+
+--- gdm-2.20.11/gui/gdmlanguages.h~ 2010-06-03 03:06:25.000000000 +0200
++++ gdm-2.20.11/gui/gdmlanguages.h 2013-12-07 15:25:16.432654112 +0100
+@@ -67,4 +67,6 @@
+ void gdm_lang_op_always_restart (const gchar *args);
+ gint gdm_lang_ask_restart (gchar *language);
+
++void lang_set_custom_callback (gchar *language);
++
+ #endif /* GDM_LANGUAGES_H */