SDL_image: attempt to vendored fix zlib cmake issue

From a13ca23aca570ed6d8fb245a00016ebdb829a3fd Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 29 Jan 2024 21:15:56 +0300
Subject: [PATCH] attempt to vendored fix zlib cmake issue

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

diff --git a/external/zlib b/external/zlib
index 402313b7..c4ea85ed 160000
--- a/external/zlib
+++ b/external/zlib
@@ -1 +1 @@
-Subproject commit 402313b70a3bb8505cd5f2e0662e8605371f1e1a
+Subproject commit c4ea85eda90be5d47bb832108a520b4e82fe19c4