Update SDL2 to version 2.28.1.

libs/SDL2/test/testscale.c

@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2023 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
@@ -22,12 +22,13 @@
 #include "SDL_test_common.h"
 #include "testutils.h"
 
-#define WINDOW_WIDTH    640
-#define WINDOW_HEIGHT   480
+#define WINDOW_WIDTH  640
+#define WINDOW_HEIGHT 480
 
 static SDLTest_CommonState *state;
 
-typedef struct {
+typedef struct
+{
     SDL_Window *window;
     SDL_Renderer *renderer;
     SDL_Texture *background;
@@ -47,8 +48,7 @@ quit(int rc)
     exit(rc);
 }
 
-void
-Draw(DrawState *s)
+void Draw(DrawState *s)
 {
     SDL_Rect viewport;
 
@@ -78,8 +78,7 @@ Draw(DrawState *s)
     SDL_RenderPresent(s->renderer);
 }
 
-void
-loop()
+void loop()
 {
     int i;
     SDL_Event event;
@@ -89,8 +88,9 @@ loop()
         SDLTest_CommonEvent(state, &event, &done);
     }
     for (i = 0; i < state->num_windows; ++i) {
-        if (state->windows[i] == NULL)
+        if (state->windows[i] == NULL) {
             continue;
+        }
         Draw(&drawstates[i]);
     }
 #ifdef __EMSCRIPTEN__
@@ -100,8 +100,7 @@ loop()
 #endif
 }
 
-int
-main(int argc, char *argv[])
+int main(int argc, char *argv[])
 {
     int i;
     int frames;
@@ -112,7 +111,7 @@ main(int argc, char *argv[])
 
     /* Initialize test framework */
     state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
-    if (!state) {
+    if (state == NULL) {
         return 1;
     }
 
@@ -154,7 +153,7 @@ main(int argc, char *argv[])
     /* Print out some timing information */
     now = SDL_GetTicks();
     if (now > then) {
-        double fps = ((double) frames * 1000) / (now - then);
+        double fps = ((double)frames * 1000) / (now - then);
         SDL_Log("%2.2f frames per second\n", fps);
     }