SDL_mixer: bump libxmp, opus, and opusfile.

From ecf00acf212046a44a208616e21719a2807319bc Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 2 Mar 2023 10:15:50 +0300
Subject: [PATCH] bump libxmp, opus, and opusfile.

---
 .gitmodules       | 2 +-
 external/libxmp   | 2 +-
 external/opus     | 2 +-
 external/opusfile | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.gitmodules b/.gitmodules
index 695951e7..6ec6b106 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -29,7 +29,7 @@
 [submodule "libxmp"]
 	path = external/libxmp
 	url = https://github.com/libsdl-org/libxmp.git
-	branch = pre4.5.1-SDL-2
+	branch = pre4.5.1-SDL-3
 [submodule "external/wavpack"]
 	path = external/wavpack
 	url = https://github.com/libsdl-org/wavpack.git
diff --git a/external/libxmp b/external/libxmp
index 8fdef65f..0e39a8a7 160000
--- a/external/libxmp
+++ b/external/libxmp
@@ -1 +1 @@
-Subproject commit 8fdef65f8683564ef1a9835bf1c1a4cbb15e4069
+Subproject commit 0e39a8a7b5044ddd5fc3569f369dc2c798825a4d
diff --git a/external/opus b/external/opus
index ebc0684a..3ab0bb04 160000
--- a/external/opus
+++ b/external/opus
@@ -1 +1 @@
-Subproject commit ebc0684ab6bb598cda13651fe5f05553c2bbfbed
+Subproject commit 3ab0bb045e3dbd1ecb66962b0bf8eb548cf5287c
diff --git a/external/opusfile b/external/opusfile
index b3f3d2c8..9b13ae67 160000
--- a/external/opusfile
+++ b/external/opusfile
@@ -1 +1 @@
-Subproject commit b3f3d2c8977e506e0c673aee72b3901e4c3db8c7
+Subproject commit 9b13ae6783c33f010d13aee41c0bfa749721ea8f