NFD: Enable metric parameter on a face
diff --git a/NFD/daemon/face/face.cpp b/NFD/daemon/face/face.cpp
index 7d3c1b7..61cc166 100644
--- a/NFD/daemon/face/face.cpp
+++ b/NFD/daemon/face/face.cpp
@@ -35,6 +35,7 @@
   , m_localUri(localUri)
   , m_isOnDemand(false)
   , m_isFailed(false)
+  , m_metric(0)
 {
   onReceiveInterest += [this](const ndn::Interest&) { ++m_counters.getNInInterests(); };
   onReceiveData     += [this](const ndn::Data&) {     ++m_counters.getNInDatas(); };