From fcc5601bfda0d9daadfad672e2ac635ea3558cf3 Mon Sep 17 00:00:00 2001
From: Jakub Skokan <jakub.skokan@havefun.cz>
Date: Thu, 12 Apr 2018 12:29:36 +0200
Subject: [PATCH] Fix build with LXC 3.0

---
 ext/lxc/lxc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/lxc/lxc.c b/ext/lxc/lxc.c
index b45a141..b0ec634 100644
--- a/ext/lxc/lxc.c
+++ b/ext/lxc/lxc.c
@@ -6,6 +6,7 @@
 #include <signal.h>
 #include <stdint.h>
 #include <string.h>
+#include <errno.h>
 
 #define SYMBOL(s) ID2SYM(rb_intern(s))