--- a/newgrf.c	Sun Aug 20 12:07:27 2006 +0000
+++ b/newgrf.c	Sun Aug 20 12:09:32 2006 +0000
@@ -1876,7 +1876,7 @@
 			}
 		}
 		name += ofs;
-		len -= ofs;
+		len -= (int)ofs;
 	}
 }