sdl12-compat: test/testcdrom.c: silenced a 'used uninitialized' warning.

SDL Commits
1 
From 8d84adcc4d1cbc2463a33dd38eba32ae5e3895a2 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 7 Jun 2021 01:10:10 +0300
Subject: [PATCH] test/testcdrom.c: silenced a 'used uninitialized' warning.

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

diff --git a/test/testcdrom.c b/test/testcdrom.c
index 782a66c..2fc6dae 100644
--- a/test/testcdrom.c
+++ b/test/testcdrom.c
@@ -17,8 +17,8 @@ static void quit(int rc)
 
 static void PrintStatus(int driveindex, SDL_CD *cdrom)
 {
+	const char *status_str = "unknown";
 	CDstatus status;
-	char *status_str;
 
 	status = SDL_CDStatus(cdrom);
 	switch (status) {