SDL_image: Backport libtiff commit avoiding CMath::CMath target

SDL Commits
1 
From 7ada591f310efb56f17e57d368b3e25c3505df81 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Fri, 9 Jan 2026 21:47:41 +0100
Subject: [PATCH] Backport libtiff commit avoiding CMath::CMath target

---
 external/libtiff | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/libtiff b/external/libtiff
index 605564a0..442c4cf6 160000
--- a/external/libtiff
+++ b/external/libtiff
@@ -1 +1 @@
-Subproject commit 605564a0706cc649503ff4abbeed215be916c920
+Subproject commit 442c4cf610ed5271c0af79ecb5df2c09394c6736