[enco] Fix build break on clang 7 (#1362)

This commit includes 'functional' in Frontend.cpp to fix build break on
clang 7.

Signed-off-by: Jonghyun Park <jh1302.park@samsung.com>

diff --git a/contrib/enco/frontend/caffe/src/Frontend.cpp b/contrib/enco/frontend/caffe/src/Frontend.cpp
index 7fc619a..50182f2 100644 (file)
--- a/contrib/enco/frontend/caffe/src/Frontend.cpp
+++ b/contrib/enco/frontend/caffe/src/Frontend.cpp
@@ -19,6 +19,7 @@
 #include <stdexcept>
 
 #include <algorithm>
+#include <functional>
 
 using namespace nncc::core::ADT;