SDL: Reduce CPU usage in testgamecontroller

From 0687128c965a07bc554ac0fb77d0330120f40792 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 29 Apr 2022 20:57:00 -0700
Subject: [PATCH] Reduce CPU usage in testgamecontroller

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

diff --git a/test/testgamecontroller.c b/test/testgamecontroller.c
index 3355d7d98db..af8bfec5f5f 100644
--- a/test/testgamecontroller.c
+++ b/test/testgamecontroller.c
@@ -508,7 +508,7 @@ loop(void *arg)
             }
         }
     }
-
+    SDL_Delay(16);
     SDL_RenderPresent(screen);
 
 #ifdef __EMSCRIPTEN__