rib: Add "common.hpp" to rib/face-entry.hpp

refs: #1702

Change-Id: I94a56590cbe14a511fd8b156a9a3523b984587b4
diff --git a/rib/face-entry.hpp b/rib/face-entry.hpp
index 88531f6..15a8aaf 100644
--- a/rib/face-entry.hpp
+++ b/rib/face-entry.hpp
@@ -26,6 +26,8 @@
 #ifndef NFD_RIB_FACE_ENTRY_HPP
 #define NFD_RIB_FACE_ENTRY_HPP
 
+#include "common.hpp"
+
 namespace nfd {
 namespace rib {