diff -r e959e132a78e -r c14c97d7030a newgrf_config.h
--- a/newgrf_config.h	Mon Dec 04 13:57:04 2006 +0000
+++ b/newgrf_config.h	Mon Dec 04 14:27:54 2006 +0000
@@ -41,4 +41,7 @@
 bool IsGoodGRFConfigList(void);
 bool FillGRFDetails(GRFConfig *config);
 
+/* In newgrf_gui.c */
+void ShowNewGRFSettings(bool editable, bool show_params, GRFConfig **config);
+
 #endif /* NEWGRF_CONFIG_H */