security: Renaming EcdsaKeyParams to EcKeyParams

Change-Id: If27faf095474f5be3f8f454925b389b97bf4425d
Refs: #3135
diff --git a/src/security/v1/public-key.cpp b/src/security/v1/public-key.cpp
index 2721dee..cef7295 100644
--- a/src/security/v1/public-key.cpp
+++ b/src/security/v1/public-key.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2016 Regents of the University of California.
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -112,7 +112,7 @@
           else if (algorithm == oid::ECDSA)
             m_type = KeyType::EC;
           else
-            BOOST_THROW_EXCEPTION(Error("Only RSA/ECDSA public keys are supported for now (" +
+            BOOST_THROW_EXCEPTION(Error("Only RSA/EC public keys are supported for now (" +
                                         algorithm.toString() + " requested)"));
         }
       }