SDL: testsurround.c: remove unnecessary libc includes and stdint.h types

From c401627793dd5d3740f30ec2fae809e71204a306 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sun, 31 Oct 2021 08:14:50 +0300
Subject: [PATCH] testsurround.c: remove unnecessary libc includes and stdint.h
 types

---
 test/testsurround.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/test/testsurround.c b/test/testsurround.c
index 9cc44755e5..f1ec914a1a 100644
--- a/test/testsurround.c
+++ b/test/testsurround.c
@@ -13,9 +13,6 @@
 /* Program to test surround sound audio channels */
 #include "SDL_config.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-
 #include "SDL.h"
 
 static int total_channels;
@@ -97,7 +94,7 @@ void SDLCALL
 fill_buffer(void* unused, Uint8* stream, int len)
 {
     Sint16* buffer = (Sint16*)stream;
-    int samples = len / sizeof(int16_t);
+    int samples = len / sizeof(Sint16);
     static int total_samples = 0;
     int i;