SDL_mixer: Fix typo from commit 4c5f855

SDL Commits
1 
From f2940ce29131f554e36a378b5cc4f24c6d6a5691 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 24 Jul 2025 11:24:40 +0300
Subject: [PATCH] Fix typo from commit 4c5f855

---
 .github/workflows/main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5fe503a4..679bcc0e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -113,7 +113,7 @@ jobs:
           -DSDLMIXER_MOD_XMP=ON \
           -DSDLMIXER_MP3_MPG123=ON \
           -DSDLMIXER_OPUS=ON \
-          -SDLMIXER_VORBIS_VORBISFILE=ON \
+          -DSDLMIXER_VORBIS_VORBISFILE=ON \
           -DSDLMIXER_STRICT=ON \
           -DSDLMIXER_WERROR=ON \
           -DSDLMIXER_INSTALL_MAN=ON \