SDL: testautomation_audio: fix -Wimplicit-fallthrough warning

SDL Commits
1 
From 11c70406c322b5686f35349acc9659c4d8d5a8f7 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 18 Mar 2023 20:34:56 +0100
Subject: [PATCH] testautomation_audio: fix -Wimplicit-fallthrough warning

---
 test/testautomation_audio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/testautomation_audio.c b/test/testautomation_audio.c
index d1d80f6f4775..2f0b35290ad8 100644
--- a/test/testautomation_audio.c
+++ b/test/testautomation_audio.c
@@ -272,6 +272,7 @@ static int audio_pauseUnpauseAudio(void *arg)
                 desired.samples = 4096;
                 desired.callback = audio_testCallback;
                 desired.userdata = NULL;
+                break;
 
             case 1:
                 /* Set custom desired spec */