SDL: testyuv: allow loading BMP files

SDL Commits
1 
From e41bdfafe4639764fc8bf102bf3bcc745889f9a4 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 4 Dec 2025 08:05:22 -0800
Subject: [PATCH] testyuv: allow loading BMP files

---
 test/testyuv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testyuv.c b/test/testyuv.c
index 3ba02a3ed05be..37a4d273b57c7 100644
--- a/test/testyuv.c
+++ b/test/testyuv.c
@@ -557,7 +557,7 @@ int main(int argc, char **argv)
     }
 
     filename = GetResourceFilename(filename, "testyuv.png");
-    png = SDL_LoadPNG(filename);
+    png = SDL_LoadSurface(filename);
     if (png) {
         original = SDL_ConvertSurface(png, SDL_PIXELFORMAT_RGB24);
         SDL_DestroySurface(png);