encoding: Refactoring EncodingBuffer

Breaks: nfd:commit:c0273e3505ac2ccf843401be77a513d8eb663127
Breaks: ChronoSync:commit:e042f83a1df184a8e7a90ef00034d11026891cd1

Change-Id: I8275c6276c5ecfa280f87f584189907521febf5f
Refs: #2494, #2490
diff --git a/src/key-locator.hpp b/src/key-locator.hpp
index 3c63bbd..27b8d67 100644
--- a/src/key-locator.hpp
+++ b/src/key-locator.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2014 Regents of the University of California.
+ * Copyright (c) 2013-2015 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -74,9 +74,9 @@
   /** \brief prepend wire encoding
    *  \param block EncodingBuffer or Estimator
    */
-  template<bool T>
+  template<encoding::Tag TAG>
   size_t
-  wireEncode(EncodingImpl<T>& block) const;
+  wireEncode(EncodingImpl<TAG>& block) const;
 
   /** \return wire encoding
    */