--- a/gui.h	Sat Mar 26 20:10:59 2005 +0000
+++ b/gui.h	Sat Mar 26 21:22:29 2005 +0000
@@ -75,6 +75,7 @@
 void ShowPlayerStations(int player);
 void ShowPlayerFinances(int player);
 void ShowPlayerCompany(int player);
+void ShowSignList(void);
 
 void ShowEstimatedCostOrIncome(int32 cost, int x, int y);
 void ShowErrorMessage(StringID msg_1, StringID msg_2, int x, int y);