SDL: testdrawchessboard: clean up renderer and window

SDL Commits
1 
From 183606d3d41750909a147137d9311ca4fa6efdbd Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Thu, 5 Oct 2023 13:41:01 +0200
Subject: [PATCH] testdrawchessboard: clean up renderer and window

---
 test/testdrawchessboard.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/testdrawchessboard.c b/test/testdrawchessboard.c
index 75a0e7d74902..375410590c37 100644
--- a/test/testdrawchessboard.c
+++ b/test/testdrawchessboard.c
@@ -151,6 +151,9 @@ int main(int argc, char *argv[])
     }
 #endif
 
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+
     SDL_Quit();
     SDLTest_CommonDestroyState(state);
     return 0;