faces: Channel base class

refs #1261

Change-Id: If17037c4802cb6ccec0201c3bff7fc4b6db41c6a
diff --git a/daemon/face/face.hpp b/daemon/face/face.hpp
index 4c48860..f20c37b 100644
--- a/daemon/face/face.hpp
+++ b/daemon/face/face.hpp
@@ -9,6 +9,7 @@
 
 #include "common.hpp"
 #include "core/event-emitter.hpp"
+#include "core/face-uri.hpp"
 #include "face-counter.hpp"
 
 namespace nfd {