From c72b2f61673da89488000bad1c983392922cf6a2 Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Wed, 9 Sep 2020 09:39:58 +0800
Subject: [PATCH] gtksecurememory.c: Don't include unistd.h unconditionally

It is not universally available on non-POSIX systems.
---
 gtk/gtksecurememory.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gtk/gtksecurememory.c b/gtk/gtksecurememory.c
index 55db84398b..5e3978ec28 100644
--- a/gtk/gtksecurememory.c
+++ b/gtk/gtksecurememory.c
@@ -44,7 +44,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
+
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+
 #include <assert.h>
 
 #ifdef WITH_VALGRIND
-- 
2.30.2