From ac72c2cf8248c6fdfb8b1ed97e1da95f8714870f Mon Sep 17 00:00:00 2001
From: Dimitri Papadopoulos
 <3234522+DimitriPapadopoulos@users.noreply.github.com>
Date: Thu, 2 Feb 2023 11:45:48 +0100
Subject: [PATCH] Add a header in zlib-1.2.13

* Addresses Blosc/python-blosc#229
* Re-applies 5fc66f7, 406f596, 7b5caf8
---
 internal-complibs/zlib-1.2.13/gzguts.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal-complibs/zlib-1.2.13/gzguts.h b/internal-complibs/zlib-1.2.13/gzguts.h
index 57faf371..54f668fc 100644
--- a/internal-complibs/zlib-1.2.13/gzguts.h
+++ b/internal-complibs/zlib-1.2.13/gzguts.h
@@ -3,6 +3,10 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
+#ifndef _WIN32
+  #include <unistd.h>
+#endif
+
 #ifdef _LARGEFILE64_SOURCE
 #  ifndef _LARGEFILE_SOURCE
 #    define _LARGEFILE_SOURCE 1