From ffe98aaaef253621d71b73b3a0e54813d220ece9 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Fri, 30 Sep 2022 01:54:08 +0100
Subject: [PATCH] Add missing unistd.h include

--- a/firun.c
+++ b/firun.c
@@ -58,6 +58,7 @@ NL "  -L         Ignore following arguments, display list of filter types."
 #include <ctype.h>
 #include <math.h>
 #include <errno.h>
+#include <unistd.h>
 #include "fidlib.h"
 
 typedef unsigned char uchar;