From 4b920ae7d2b9675dc113aa4d2f24eb40f390389f Mon Sep 17 00:00:00 2001
From: Volker Birk <vb@pep.foundation>
Date: Wed, 1 Jul 2020 11:04:54 +0200
Subject: [PATCH] missing include

---
 pc_container.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pc_container.hh b/pc_container.hh
index e6a6af4..0a37e0c 100644
--- a/pc_container.hh
+++ b/pc_container.hh
@@ -6,7 +6,7 @@
 // Conainer adapter that contains a container and a producer/consume queue
 // that holds references to all changed elements
 
-
+#include <functional>
 #include "locked_queue.hh"
 
 namespace pEp