From 47dede4f7ee037600fa81bdc97cb4223af0574bf Mon Sep 17 00:00:00 2001
From: arvidn <arvid@libtorrent.org>
Date: Wed, 30 Oct 2019 10:37:53 +0100
Subject: [PATCH] back-port missing include for GCC 10

---
 include/libtorrent/span.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/libtorrent/span.hpp b/include/libtorrent/span.hpp
index ddbb5850f..982264e8c 100644
--- a/include/libtorrent/span.hpp
+++ b/include/libtorrent/span.hpp
@@ -33,6 +33,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #ifndef TORRENT_SPAN_HPP_INCLUDED
 #define TORRENT_SPAN_HPP_INCLUDED
 
+#include <string>
 #include <array>
 #include <type_traits>
 #include "libtorrent/assert.hpp"