Update SDL_asyncio.inc to 3.4.4

Author: Free-Pascal-meets-SDL-Website

units/SDL3.pas

@@ -91,7 +91,7 @@ interface
 {$I SDL_pixels.inc}                       // 3.4.2
 {$I SDL_blendmode.inc}                    // 3.4.2
 {$I SDL_iostream.inc}                     // 3.4.4
-{$I SDL_asyncio.inc}                      // 3.2.0
+{$I SDL_asyncio.inc}                      // 3.4.4
 {$I SDL_surface.inc}                      // 3.2.20
 {$I SDL_video.inc}                        // 3.4.2
 {$I SDL_timer.inc}                        // 3.2.20

units/SDL_asyncio.inc

@@ -197,6 +197,8 @@ type
  * \returns a Pointer to the SDL_AsyncIO structure that is created or nil on
  *          failure; call SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CloseAsyncIO
@@ -524,6 +526,8 @@ procedure SDL_SignalAsyncIOQueue(queue: PSDL_AsyncIOQueue); cdecl;
  *                 results.
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
+ * \threadsafety It is safe to call this function from any thread.
+ *
  *
  * \since This function is available since SDL 3.2.0.
  *