SDL_image: Fixed Xcode build error

From 9e9801dd9d7df1ef2c6366ed00fd974a345ccad2 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 25 Jan 2024 14:05:27 -0800
Subject: [PATCH] Fixed Xcode build error

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

diff --git a/external/libavif b/external/libavif
index 2f8cd60b..83a08f4b 160000
--- a/external/libavif
+++ b/external/libavif
@@ -1 +1 @@
-Subproject commit 2f8cd60bf0895df9a771a1da9d7763fdcf2b7dab
+Subproject commit 83a08f4bf28db12d909a0fd70b6c48cd8ddfe0eb