SDL_image: The register keyword isn't needed here and is no longer supported by the latest C++ standard

From 3882ea729c1be90d892e004c2123ebe334f29152 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 7 Apr 2021 15:17:13 -0700
Subject: [PATCH] The register keyword isn't needed here and is no longer
 supported by the latest C++ standard

---
 IMG_gif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IMG_gif.c b/IMG_gif.c
index 5c038c9..1a3102c 100644
--- a/IMG_gif.c
+++ b/IMG_gif.c
@@ -495,7 +495,7 @@ static int
 LWZReadByte(SDL_RWops *src, int flag, int input_code_size, State_t * state)
 {
     int code, incode;
-    register int i;
+    int i;
 
     /* Fixed buffer overflow found by Michael Skladnikiewicz */
     if (input_code_size > MAX_LWZ_BITS)