face: make logging more uniform across channel types

Change-Id: I21db45f736e07464260dcc902c673d098ba3c549
Refs: #2561
diff --git a/daemon/face/channel.hpp b/daemon/face/channel.hpp
index ae3c583..a999b72 100644
--- a/daemon/face/channel.hpp
+++ b/daemon/face/channel.hpp
@@ -26,6 +26,7 @@
 #ifndef NFD_DAEMON_FACE_CHANNEL_HPP
 #define NFD_DAEMON_FACE_CHANNEL_HPP
 
+#include "channel-log.hpp"
 #include "face.hpp"
 
 namespace nfd {