SDL_image: stb: fix declaration of ‘src’ shadows a parameter

SDL Commits
1 
From 10ea4d9a804edd60884ac95b2e569b2c8b2f5e68 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Thu, 25 Jan 2024 19:54:38 +0100
Subject: [PATCH] =?UTF-8?q?stb:=20fix=20declaration=20of=20=E2=80=98src?=
 =?UTF-8?q?=E2=80=99=20shadows=20a=20parameter?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/IMG_stb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/IMG_stb.c b/src/IMG_stb.c
index bb697852..243c9c38 100644
--- a/src/IMG_stb.c
+++ b/src/IMG_stb.c
@@ -220,15 +220,15 @@ SDL_Surface *IMG_LoadSTB_RW(SDL_RWops *src)
     } else if (format == STBI_grey_alpha) {
         surface = SDL_CreateSurface(w, h, SDL_PIXELFORMAT_RGBA32);
         if (surface) {
-            Uint8 *src = pixels;
+            Uint8 *src_ptr = pixels;
             Uint8 *dst = (Uint8 *)surface->pixels;
             int skip = surface->pitch - (surface->w * 4);
             int row, col;
 
             for (row = 0; row < h; ++row) {
                 for (col = 0; col < w; ++col) {
-                    Uint8 c = *src++;
-                    Uint8 a = *src++;
+                    Uint8 c = *src_ptr++;
+                    Uint8 a = *src_ptr++;
                     *dst++ = c;
                     *dst++ = c;
                     *dst++ = c;