sdl12-compat: updated dr_mp3.h from mainstream.

SDL Commits
1 
From 2eea59a1e9a133ffad3dfa1fe194b7cf0547819a Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 16 Dec 2025 20:33:10 +0300
Subject: [PATCH] updated dr_mp3.h from mainstream.

---
 src/dr_mp3.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/dr_mp3.h b/src/dr_mp3.h
index fe81e0814..a253c2298 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 - v0.7.2 - TBD
+dr_mp3 - v0.7.3 - TBD
 
 David Reid - mackron@gmail.com
 
@@ -78,7 +78,7 @@ extern "C" {
 
 #define DRMP3_VERSION_MAJOR     0
 #define DRMP3_VERSION_MINOR     7
-#define DRMP3_VERSION_REVISION  2
+#define DRMP3_VERSION_REVISION  3
 #define DRMP3_VERSION_STRING    DRMP3_XSTRINGIFY(DRMP3_VERSION_MAJOR) "." DRMP3_XSTRINGIFY(DRMP3_VERSION_MINOR) "." DRMP3_XSTRINGIFY(DRMP3_VERSION_REVISION)
 
 #include <stddef.h> /* For size_t. */
@@ -4825,6 +4825,8 @@ static float* drmp3__full_read_and_close_f32(drmp3* pMP3, drmp3_config* pConfig,
             pNewFrames = (float*)drmp3__realloc_from_callbacks(pFrames, (size_t)newFramesBufferSize, (size_t)oldFramesBufferSize, &pMP3->allocationCallbacks);
             if (pNewFrames == NULL) {
                 drmp3__free_from_callbacks(pFrames, &pMP3->allocationCallbacks);
+                pFrames = NULL;
+                totalFramesRead = 0;
                 break;
             }
 
@@ -4893,6 +4895,8 @@ static drmp3_int16* drmp3__full_read_and_close_s16(drmp3* pMP3, drmp3_config* pC
             pNewFrames = (drmp3_int16*)drmp3__realloc_from_callbacks(pFrames, (size_t)newFramesBufferSize, (size_t)oldFramesBufferSize, &pMP3->allocationCallbacks);
             if (pNewFrames == NULL) {
                 drmp3__free_from_callbacks(pFrames, &pMP3->allocationCallbacks);
+                pFrames = NULL;
+                totalFramesRead = 0;
                 break;
             }
 
@@ -5032,7 +5036,10 @@ DIFFERENCES BETWEEN minimp3 AND dr_mp3
 /*
 REVISION HISTORY
 ================
-v0.7.2 - TBD
+v0.7.3 - TBD
+  - Fix an error in drmp3_open_and_read_pcm_frames_s16() and family when memory allocation fails.
+
+v0.7.2 - 2025-12-02
   - Reduce stack space to improve robustness on embedded systems.
   - Fix a compilation error with MSVC Clang toolset relating to cpuid.
   - Fix an error with APE tag parsing.