libtiff: Add bugzilla link.

https://github.com/libsdl-org/libtiff/commit/3a0f1cb9040aebbc28c9e2f081567f20e0a55135

From 3a0f1cb9040aebbc28c9e2f081567f20e0a55135 Mon Sep 17 00:00:00 2001
From: Lee Howard <[EMAIL REDACTED]>
Date: Mon, 22 Feb 2010 19:15:36 +0000
Subject: [PATCH] Add bugzilla link.

---
 ChangeLog | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ChangeLog b/ChangeLog
index 9d561bb8..57f33736 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,7 @@
 	* tools/tiff2pdf.c: Write the JPEG SOI headers into the TIFF strip 
 	data rather than skipping them.  This fixes the ability to view in
 	Acrobat Reader, Evince, and Ghostscript.
+	http://bugzilla.maptools.org/show_bug.cgi?id=2135
 
 2010-01-06  Frank Warmerdam  <warmerdam@pobox.com>