Fix build for gcc 9

Change-Id: I5fab58a89b9671bda5119104a6d0d4aca2d0e3b3

diff --git a/src/common/policy/Policy.cpp b/src/common/policy/Policy.cpp
index 67a8728..adbac14 100644 (file)
--- a/src/common/policy/Policy.cpp
+++ b/src/common/policy/Policy.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2016-2019 Samsung Electronics Co.
+ *  Copyright (c) 2016-2020 Samsung Electronics Co.
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@
  * @brief       Implementation of Policy wrappers
  */
 
+#include <functional>
 #include <sys/types.h>
 #include <memory>
 #include <unistd.h>