SDL_mixer: bump libgme to update gme.h. (8f0f8)

From 8f0f8ee80ebf89adf980b4e091afe8752b29cf86 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Thu, 21 Sep 2023 14:32:10 +0200
Subject: [PATCH] bump libgme to update gme.h.

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

diff --git a/external/libgme b/external/libgme
index 56a7f868..9cca58bc 160000
--- a/external/libgme
+++ b/external/libgme
@@ -1 +1 @@
-Subproject commit 56a7f868b85d874a07be4b68cc97992a13089bd6
+Subproject commit 9cca58bcb1c2f6891042223f05d7bf60f82b4afb