--- a/src/bridge_gui.cpp	Wed Jun 13 12:05:56 2007 +0000
+++ b/src/bridge_gui.cpp	Tue Jun 19 07:21:01 2007 +0000
@@ -114,7 +114,7 @@
 void ShowBuildBridgeWindow(TileIndex start, TileIndex end, byte bridge_type)
 {
 	uint j = 0;
-	int32 ret;
+	CommandCost ret;
 	StringID errmsg;
 
 	DeleteWindowById(WC_BUILD_BRIDGE, 0);