SDL_mixer: update vendored wavpack. (b9780)

From b9780900b1e296f00503e1aa96a82a93e3936a38 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Wed, 10 Dec 2025 20:39:32 +0300
Subject: [PATCH] update vendored wavpack.

(cherry picked from commit d66f44c677c4611b410040a150bb3bab1a407b95)
---
 external/wavpack | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/wavpack b/external/wavpack
index 7ede03e0..112a5641 160000
--- a/external/wavpack
+++ b/external/wavpack
@@ -1 +1 @@
-Subproject commit 7ede03e0df6901eea2f5d056e0c894c9b39a4a6f
+Subproject commit 112a56419d45dd4bf0f80f6ca89989c574262580