SDL_image: update libpng branch name in .gitmodules

From 85bd5cffc09b52452bc4e04494e797c59fbd552e Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 11 Mar 2024 01:11:02 +0300
Subject: [PATCH] update libpng branch name in .gitmodules

---
 .gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.gitmodules b/.gitmodules
index dd1e82cc..b9d7e62f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,7 +5,7 @@
 [submodule "external/libpng"]
 	path = external/libpng
 	url = https://github.com/libsdl-org/libpng.git
-	branch = v1.6.41-SDL
+	branch = v1.6.43-SDL
 [submodule "external/libwebp"]
 	path = external/libwebp
 	url = https://github.com/libsdl-org/libwebp.git