SDL: SDL_atomic.h rename fixes

From 875ddb4969d314f77c1cf20fa9082e78e630efc3 Mon Sep 17 00:00:00 2001
From: Petar Popovic <[EMAIL REDACTED]>
Date: Sat, 13 Apr 2024 17:41:21 +0200
Subject: [PATCH] SDL_atomic.h rename fixes

Adding following macro to SDL_oldnames.h:
SDL_atomic_t SDL_atomic_t_renamed_SDL_AtomicInt
---
 include/SDL3/SDL_oldnames.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/SDL3/SDL_oldnames.h b/include/SDL3/SDL_oldnames.h
index 5be38ef9d94a3..d891b89112c51 100644
--- a/include/SDL3/SDL_oldnames.h
+++ b/include/SDL3/SDL_oldnames.h
@@ -551,6 +551,7 @@
 #define SDL_AtomicLock SDL_AtomicLock_renamed_SDL_LockSpinlock
 #define SDL_AtomicTryLock SDL_AtomicTryLock_renamed_SDL_TryLockSpinlock
 #define SDL_AtomicUnlock SDL_AtomicUnlock_renamed_SDL_UnlockSpinlock
+#define SDL_atomic_t SDL_atomic_t_renamed_SDL_AtomicInt
 
 /* ##SDL_audio.h */
 #define AUDIO_F32 AUDIO_F32_renamed_SDL_AUDIO_F32LE