SDL_mixer: typo fix to config.sub, (8d1a3)

From 8d1a3b58b3eccc9a8f9d11a41cf9941ca573b701 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 21 Jan 2023 10:15:02 +0300
Subject: [PATCH] typo fix to config.sub,

from https://lists.gnu.org/archive/html/config-patches/2023-01/msg00001.html
---
 build-scripts/config.sub | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-scripts/config.sub b/build-scripts/config.sub
index dba16e84..312ad817 100755
--- a/build-scripts/config.sub
+++ b/build-scripts/config.sub
@@ -1075,7 +1075,7 @@ case $cpu-$vendor in
 	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 		cpu=i586
 		;;
-	pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+	pentiumpro-* | p6-* | 6x86-* | athlon-* | athlon_*-*)
 		cpu=i686
 		;;
 	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)