SDL: SDL_VideoInit: silence 'may be used uninitialized' warning

SDL Commits
1 
From d80ef3e5f50edf115804381dda9cbc2afc926c6a Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 26 Jul 2021 22:51:24 +0300
Subject: [PATCH] SDL_VideoInit: silence 'may be used uninitialized' warning
 src/video/SDL_video.c:475: warning: 'i' may be used uninitialized in this
 function

---
 src/video/SDL_video.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index f6c25c03df..bf7d4bb7c1 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -492,7 +492,7 @@ SDL_VideoInit(const char *driver_name)
     }
 
     /* Select the proper video driver */
-    index = 0;
+    i = index = 0;
     video = NULL;
     if (driver_name == NULL) {
         driver_name = SDL_getenv("SDL_VIDEODRIVER");