SDL_image: zlib: include path to silence CMake compatibility warning (61f21)

From 61f2105180da65a68f7cef8dae7d2f08a3eb79d4 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Tue, 23 May 2023 15:23:44 +0200
Subject: [PATCH] zlib: include path to silence CMake compatibility warning

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

diff --git a/external/zlib b/external/zlib
index aeb14667..f040d0cf 160000
--- a/external/zlib
+++ b/external/zlib
@@ -1 +1 @@
-Subproject commit aeb146673f65fe6755d9aae05579c944d6572d20
+Subproject commit f040d0cf7a553078a195d6c3af0ec78b14d4242e