--- a/train_cmd.c	Sun Mar 06 13:57:19 2005 +0000
+++ b/train_cmd.c	Sun Mar 06 15:15:27 2005 +0000
@@ -2564,6 +2564,7 @@
 			CheckTrainCollision(v);
 		}
 	}
+	return;
 
 invalid_rail:
 	/* We've reached end of line?? */