SDL: testgpu_simple_clear: Fixed AppInit return values.

SDL Commits
1 
From 93bf53426840fd052da2aeb6d5a5a6f380f4c21a Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sat, 14 Sep 2024 19:19:13 -0400
Subject: [PATCH] testgpu_simple_clear: Fixed AppInit return values.

---
 test/testgpu_simple_clear.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/testgpu_simple_clear.c b/test/testgpu_simple_clear.c
index ea9d2eb6fed79..fe829b1732f03 100644
--- a/test/testgpu_simple_clear.c
+++ b/test/testgpu_simple_clear.c
@@ -47,12 +47,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 	gpu_device = SDL_CreateGPUDevice(TESTGPU_SUPPORTED_FORMATS, SDL_TRUE, NULL);
 	if (!gpu_device) {
 		SDL_Log("SDL_CreateGPUDevice failed: %s", SDL_GetError());
-		return -1;
+		return SDL_APP_FAILURE;
 	}
 
 	if (!SDL_ClaimWindowForGPUDevice(gpu_device, state->windows[0])) {
 		SDL_Log("SDL_ClaimWindowForGPUDevice failed: %s", SDL_GetError());
-		return -1;
+		return SDL_APP_FAILURE;
 	}
 
     mode = SDL_GetCurrentDisplayMode(SDL_GetPrimaryDisplay());