From 163d401f99c1a4417034ffd5cb6a1912fcffb39b Mon Sep 17 00:00:00 2001
From: Steffen Schuemann <s.schuemann@pobox.com>
Date: Tue, 7 May 2019 22:25:41 +0200
Subject: [PATCH] Added missing include for the fwd/impl use case.

---
 include/ghc/filesystem.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/ghc/filesystem.hpp b/include/ghc/filesystem.hpp
index 1f32160..72f8a5f 100644
--- a/include/ghc/filesystem.hpp
+++ b/include/ghc/filesystem.hpp
@@ -129,6 +129,7 @@
 #include <stack>
 #include <stdexcept>
 #include <string>
+#include <system_error>
 #include <type_traits>
 #include <utility>
 #include <vector>