core: reimplement logging using ndn-cxx's facility

Change-Id: Ifc7c5d70a61ad405dc1f1adfa522a2c0ad1586ab
Refs: #4580
diff --git a/daemon/mgmt/fib-manager.cpp b/daemon/mgmt/fib-manager.cpp
index 06e660a..5c04977 100644
--- a/daemon/mgmt/fib-manager.cpp
+++ b/daemon/mgmt/fib-manager.cpp
@@ -24,6 +24,8 @@
  */
 
 #include "fib-manager.hpp"
+
+#include "core/logger.hpp"
 #include "fw/face-table.hpp"
 
 #include <ndn-cxx/lp/tags.hpp>
@@ -33,7 +35,7 @@
 
 namespace nfd {
 
-NFD_LOG_INIT("FibManager");
+NFD_LOG_INIT(FibManager);
 
 FibManager::FibManager(Fib& fib,
                        const FaceTable& faceTable,