update SDL3 to 3.4.10.

libs/SDL3/test/checkkeys.c

@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -434,7 +434,7 @@ static void loop(void)
     }
 
     /* Slow down framerate */
-    SDL_Delay(100);
+    SDL_Delay(10);
 
 #ifdef SDL_PLATFORM_EMSCRIPTEN
     if (done) {
@@ -447,6 +447,9 @@ int main(int argc, char *argv[])
 {
     int i;
 
+    /* This is not necessary for text input handling, we just
+     * want to verify that input works with raw keyboard enabled.
+     */
     SDL_SetHint(SDL_HINT_WINDOWS_RAW_KEYBOARD, "1");
 
     /* Initialize test framework */
@@ -464,6 +467,9 @@ int main(int argc, char *argv[])
     /* Disable mouse emulation */
     SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0");
 
+    /* Enable text editing events and tell SDL that we'll handle rendering compositions. */
+    SDL_SetHint(SDL_HINT_IME_IMPLEMENTED_UI, "composition");
+
     /* Initialize SDL */
     if (!SDLTest_CommonInit(state)) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError());