--- a/src/aystar.h	Thu Jan 11 13:41:16 2007 +0000
+++ b/src/aystar.h	Mon Jan 15 20:14:06 2007 +0000
@@ -30,7 +30,7 @@
 typedef struct AyStarNode AyStarNode;
 struct AyStarNode {
 	TileIndex tile;
-	uint direction;
+	int direction;
 	uint user_data[2];
 };