SDL API renaming: SDL TLS functions

Fixes https://github.com/libsdl-org/SDL/issues/7743

src/SDL.c

@@ -506,7 +506,7 @@ void SDL_Quit(void)
      */
     SDL_memset(SDL_SubsystemRefCount, 0x0, sizeof(SDL_SubsystemRefCount));
 
-    SDL_TLSCleanup();
+    SDL_CleanupTLS();
 
     SDL_bInMainQuit = SDL_FALSE;
 }