[ndnSIM] face: Enable metric parameter on a face
diff --git a/daemon/face/face.cpp b/daemon/face/face.cpp
index 0dd8169..04895da 100644
--- a/daemon/face/face.cpp
+++ b/daemon/face/face.cpp
@@ -37,6 +37,7 @@
   , m_persistency(ndn::nfd::FACE_PERSISTENCY_PERSISTENT)
   , m_isMultiAccess(isMultiAccess)
   , m_isFailed(false)
+  , m_metric(0)
 {
   onReceiveInterest.connect([this] (const ndn::Interest&) { ++m_counters.getNInInterests(); });
   onReceiveData    .connect([this] (const ndn::Data&)     { ++m_counters.getNInDatas(); });