SDL: pulseaudio: Removed unnecessary variable.

https://github.com/libsdl-org/SDL/commit/4233c41ce2b35e5ff1dffca14adf7b42e751980c

From 4233c41ce2b35e5ff1dffca14adf7b42e751980c Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Wed, 5 Jul 2023 11:51:38 -0400
Subject: [PATCH] pulseaudio: Removed unnecessary variable.

---
 src/audio/pulseaudio/SDL_pulseaudio.c | 5 ++---
 src/audio/pulseaudio/SDL_pulseaudio.h | 1 -
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/audio/pulseaudio/SDL_pulseaudio.c b/src/audio/pulseaudio/SDL_pulseaudio.c
index c0462f786a13..50d2072e79c3 100644
--- a/src/audio/pulseaudio/SDL_pulseaudio.c
+++ b/src/audio/pulseaudio/SDL_pulseaudio.c
@@ -640,8 +640,7 @@ static int PULSEAUDIO_OpenDevice(SDL_AudioDevice *device)
 
     /* Allocate mixing buffer */
     if (!iscapture) {
-        h->mixlen = device->buffer_size;
-        h->mixbuf = (Uint8 *)SDL_malloc(h->mixlen);
+        h->mixbuf = (Uint8 *)SDL_malloc(device->buffer_size);
         if (h->mixbuf == NULL) {
             return SDL_OutOfMemory();
         }
@@ -653,7 +652,7 @@ static int PULSEAUDIO_OpenDevice(SDL_AudioDevice *device)
 
     /* Reduced prebuffering compared to the defaults. */
     paattr.fragsize = device->buffer_size;
-    paattr.tlength = h->mixlen;
+    paattr.tlength = device->buffer_size;
     paattr.prebuf = -1;
     paattr.maxlength = -1;
     paattr.minreq = -1;
diff --git a/src/audio/pulseaudio/SDL_pulseaudio.h b/src/audio/pulseaudio/SDL_pulseaudio.h
index 709f00daaf83..10a7d9d1215d 100644
--- a/src/audio/pulseaudio/SDL_pulseaudio.h
+++ b/src/audio/pulseaudio/SDL_pulseaudio.h
@@ -36,7 +36,6 @@ struct SDL_PrivateAudioData
 
     /* Raw mixing buffer */
     Uint8 *mixbuf;
-    int mixlen;
 
     int bytes_requested; /* bytes of data the hardware wants _now_. */