SDL: Fixed warning C4389: '!=': signed/unsigned mismatch

SDL Commits
1 
From 4355f9cec5a155fcb9a425877897149cf682903c Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 25 Aug 2023 08:49:49 -0700
Subject: [PATCH] Fixed warning C4389: '!=': signed/unsigned mismatch

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

diff --git a/src/video/SDL_bmp.c b/src/video/SDL_bmp.c
index 44111a8f4f6a..998bee1f3087 100644
--- a/src/video/SDL_bmp.c
+++ b/src/video/SDL_bmp.c
@@ -560,7 +560,7 @@ SDL_Surface *SDL_LoadBMP_RW(SDL_RWops *src, SDL_bool freesrc)
         } break;
 
         default:
-            if (SDL_RWread(src, bits, surface->pitch) != surface->pitch) {
+            if (SDL_RWread(src, bits, surface->pitch) != (size_t)surface->pitch) {
                 goto done;
             }
             if (biBitCount == 8 && palette && biClrUsed < (1u << biBitCount)) {