face: increment link layer byte counters in EthernetFace

refs #1780

Change-Id: I27b9c19ef70b976c83f35bcd569dc7eb7f9802cd
diff --git a/tests/daemon/face/ethernet.cpp b/tests/daemon/face/ethernet.cpp
index 905e2e7..b5c0cc4 100644
--- a/tests/daemon/face/ethernet.cpp
+++ b/tests/daemon/face/ethernet.cpp
@@ -25,10 +25,8 @@
 
 #include "face/ethernet-factory.hpp"
 #include "core/network-interface.hpp"
-#include "tests/test-common.hpp"
 
-#include <ndn-cxx/security/key-chain.hpp>
-#include <pcap/pcap.h>
+#include "tests/test-common.hpp"
 
 namespace nfd {
 namespace tests {