SDL_mixer: update dr_flac.h from mainstream. (144f5)

SDL Commits
1 
From 144f57160ff175aa845f21531573d881b0f3ee6d Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 23 Oct 2025 03:02:02 +0300
Subject: [PATCH] update dr_flac.h from mainstream.

(cherry picked from commit b6bf7e9be754750cae16e0cced8d01d20afa406a)
---
 src/codecs/dr_libs/dr_flac.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/codecs/dr_libs/dr_flac.h b/src/codecs/dr_libs/dr_flac.h
index ff0a1306..a5778820 100644
--- a/src/codecs/dr_libs/dr_flac.h
+++ b/src/codecs/dr_libs/dr_flac.h
@@ -2732,7 +2732,7 @@ static DRFLAC_INLINE drflac_uint32 drflac__clz_lzcnt(drflac_cache_t x)
 
                 return r;
             }
-        #elif defined(DRFLAC_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5) && !defined(__ARM_ARCH_6M__) && !defined(DRFLAC_64BIT)   /* <-- I haven't tested 64-bit inline assembly, so only enabling this for the 32-bit build for now. */
+        #elif defined(DRFLAC_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5) && !defined(__ARM_ARCH_6M__) && !(defined(__thumb__) && !defined(__thumb2__)) && !defined(DRFLAC_64BIT)   /* <-- I haven't tested 64-bit inline assembly, so only enabling this for the 32-bit build for now. */
             {
                 unsigned int r;
                 __asm__ __volatile__ (