From 503cc4131f5dc4d96d30cde0bc6322c7c9dad23a Mon Sep 17 00:00:00 2001
From: "Alexander V. Wolf" <aw@altspu.ru>
Date: Thu, 14 Mar 2024 15:55:10 +0700
Subject: [PATCH] fix building zlib in windows

---
 src/external/zlib/gzguts.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/external/zlib/gzguts.h b/src/external/zlib/gzguts.h
index 4fe9d4811185b..22bb1ce2ecab3 100644
--- a/src/external/zlib/gzguts.h
+++ b/src/external/zlib/gzguts.h
@@ -18,7 +18,6 @@
 #endif
 
 #include <stdio.h>
-#include <unistd.h>
 #include "zlib.h"
 #ifdef STDC
 #  include <string.h>
@@ -33,6 +32,8 @@
 
 #ifdef _WIN32
 #  include <stddef.h>
+#else
+#  include <unistd.h>
 #endif
 
 #if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32)