sdl12-compat: updated dr_mp3.h from mainstream. (a3e9f)

From a3e9f2b618d8b7d5db2e4c3ad7b35367d7c3dc3b Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 17 Jan 2026 05:10:00 +0300
Subject: [PATCH] updated dr_mp3.h from mainstream.

---
 src/dr_mp3.h | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/dr_mp3.h b/src/dr_mp3.h
index a253c2298..f42023fa6 100644
--- a/src/dr_mp3.h
+++ b/src/dr_mp3.h
@@ -1,6 +1,6 @@
 /*
 MP3 audio decoder. Choice of public domain or MIT-0. See license statements at the end of this file.
-dr_mp3 - v0.7.3 - TBD
+dr_mp3 - v0.7.3 - 2026-01-17
 
 David Reid - mackron@gmail.com
 
@@ -3188,7 +3188,6 @@ static drmp3_bool32 drmp3_init_internal(drmp3* pMP3, drmp3_read_proc onRead, drm
         {
             drmp3_bs bs;
             drmp3_L3_gr_info grInfo[4];
-            const drmp3_uint8* pTagData = pFirstFrameData;
 
             drmp3_bs_init(&bs, pFirstFrameData + DRMP3_HDR_SIZE, firstFrameInfo.frame_bytes - DRMP3_HDR_SIZE);
 
@@ -3199,6 +3198,7 @@ static drmp3_bool32 drmp3_init_internal(drmp3* pMP3, drmp3_read_proc onRead, drm
             if (drmp3_L3_read_side_info(&bs, grInfo, pFirstFrameData) >= 0) {
                 drmp3_bool32 isXing = DRMP3_FALSE;
                 drmp3_bool32 isInfo = DRMP3_FALSE;
+                const drmp3_uint8* pTagData;
                 const drmp3_uint8* pTagDataBeg;
 
                 pTagDataBeg = pFirstFrameData + DRMP3_HDR_SIZE + (bs.pos/8);
@@ -3349,8 +3349,6 @@ static drmp3_bool32 drmp3__on_seek_memory(void* pUserData, int byteOffset, drmp3
 
     DRMP3_ASSERT(pMP3 != NULL);
 
-    newCursor = pMP3->memory.currentReadPos;
-
     if (origin == DRMP3_SEEK_SET) {
         newCursor = 0;
     } else if (origin == DRMP3_SEEK_CUR) {
@@ -5036,8 +5034,9 @@ DIFFERENCES BETWEEN minimp3 AND dr_mp3
 /*
 REVISION HISTORY
 ================
-v0.7.3 - TBD
+v0.7.3 - 2026-01-17
   - Fix an error in drmp3_open_and_read_pcm_frames_s16() and family when memory allocation fails.
+  - Fix some compilation warnings.
 
 v0.7.2 - 2025-12-02
   - Reduce stack space to improve robustness on embedded systems.