SDL_mixer: Updated to the latest version of SDL

From 526175f153015b939bf9c40120111a0ea26d69e6 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 30 Apr 2024 11:34:52 -0700
Subject: [PATCH] Updated to the latest version of SDL

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

diff --git a/external/SDL b/external/SDL
index f59dbf6a..97d0e788 160000
--- a/external/SDL
+++ b/external/SDL
@@ -1 +1 @@
-Subproject commit f59dbf6a1204552fdfeab7f3b156e5606ebb206a
+Subproject commit 97d0e78842ba362fa0666c7bc65630dcbf52fa4d