--- a/src/gui.h	Wed Feb 13 19:24:40 2008 +0000
+++ b/src/gui.h	Thu Feb 14 02:57:38 2008 +0000
@@ -106,7 +106,7 @@
 extern const TextColour _fios_colors[];
 
 /* bridge_gui.cpp */
-void ShowBuildBridgeWindow(TileIndex start, TileIndex end, byte type);
+void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType Transport_type, byte type);
 
 void ShowBuildIndustryWindow();
 void ShowMusicWindow();