SDL: Fix "SDL_TRUE is not defined" runtime error for emscripten.

SDL Commits
1 
From fbbd0270ebb76d3e55dd0052c98587d22103cd82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Ku=CC=88ndig?= <[EMAIL REDACTED]>
Date: Fri, 18 Mar 2022 23:10:19 +0100
Subject: [PATCH] Fix "SDL_TRUE is not defined" runtime error for emscripten.

---
 src/audio/emscripten/SDL_emscriptenaudio.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/audio/emscripten/SDL_emscriptenaudio.c b/src/audio/emscripten/SDL_emscriptenaudio.c
index a5b153368ef..94d223147ad 100644
--- a/src/audio/emscripten/SDL_emscriptenaudio.c
+++ b/src/audio/emscripten/SDL_emscriptenaudio.c
@@ -361,9 +361,9 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
     /* check availability */
     available = EM_ASM_INT_V({
         if (typeof(AudioContext) !== 'undefined') {
-            return SDL_TRUE;
+            return true;
         } else if (typeof(webkitAudioContext) !== 'undefined') {
-            return SDL_TRUE;
+            return true;
         }
         return SDL_FALSE;
     });
@@ -374,9 +374,9 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
 
     capture_available = available && EM_ASM_INT_V({
         if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) {
-            return SDL_TRUE;
+            return true;
         } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') {
-            return SDL_TRUE;
+            return true;
         }
         return SDL_FALSE;
     });