sdl2-compat: updated sdl3_include_wrapper.h from latest SDL3 (2a392)

From 2a392cfc49ffd6ca4cd250605c9e5b42d7337c4d Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sun, 10 Sep 2023 21:05:03 +0300
Subject: [PATCH] updated sdl3_include_wrapper.h from latest SDL3

---
 src/sdl3_include_wrapper.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sdl3_include_wrapper.h b/src/sdl3_include_wrapper.h
index abb7211..bace9c2 100644
--- a/src/sdl3_include_wrapper.h
+++ b/src/sdl3_include_wrapper.h
@@ -929,6 +929,7 @@
 #define SDL_SetWindowFocusable IGNORE_THIS_VERSION_OF_SDL_SetWindowFocusable
 #define SDL_GetAudioStreamFrequencyRatio IGNORE_THIS_VERSION_OF_SDL_GetAudioStreamFrequencyRatio
 #define SDL_SetAudioStreamFrequencyRatio IGNORE_THIS_VERSION_OF_SDL_SetAudioStreamFrequencyRatio
+#define SDL_SetAudioPostmixCallback IGNORE_THIS_VERSION_OF_SDL_SetAudioPostmixCallback
 
 
 #define SDL_FUNCTION_POINTER_IS_VOID_POINTER 1
@@ -4562,6 +4563,10 @@
 #undef SDL_SetAudioStreamFrequencyRatio
 #endif
 
+#ifdef SDL_SetAudioPostmixCallback
+#undef SDL_SetAudioPostmixCallback
+#endif
+
 /* undefine these macros too: */
 /* redefine as SDL3_xxx, if needed. */