--- src/lib/TIFF/tif_dir.c.orig	Sat Mar  7 04:59:51 1992
+++ src/lib/TIFF/tif_dir.c	Sun Jan 17 17:48:20 1999
@@ -950,7 +950,8 @@
 		}
 		if (tif->tif_flags & TIFF_SWAB)
 			TIFFSwabShort(&dircount);
-		lseek(tif->tif_fd, dircount*sizeof (TIFFDirEntry), L_INCR);
+		/*added (off_t) .. jj@ldjpc.apana.org.au*/
+		lseek(tif->tif_fd, (off_t)(dircount*sizeof (TIFFDirEntry)), L_INCR);
 		if (!ReadOK(tif->tif_fd, &nextdir, sizeof (nextdir))) {
 			TIFFError(module, "%s: Error fetching directory link",
 			    tif->tif_name);