**breaking change**: Switch Face and related classes to v2::KeyChain
security::v2::KeyChain is now exposed as ndn::KeyChain, which should
ensure that dependent code can be mostly compiled. However, expect code
that explicitly uses the old KeyChain interface to be broken.
Change-Id: I7330d0250d92f3f0f2570ab6d0214ab3dfdd18cc
Refs: #3098
diff --git a/src/security/key-chain.hpp b/src/security/key-chain.hpp
index 31b26ea..2bd847b 100644
--- a/src/security/key-chain.hpp
+++ b/src/security/key-chain.hpp
@@ -19,21 +19,10 @@
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
-/**
- * @file security/key-chain.hpp
- */
+#ifndef NDN_CXX_SECURITY_KEY_CHAIN_HPP
+#define NDN_CXX_SECURITY_KEY_CHAIN_HPP
#include "security-common.hpp"
-#include "v1/key-chain.hpp"
#include "v2/key-chain.hpp"
-namespace ndn {
-namespace security {
-
-using security::v1::KeyChain;
-
-} // namespace security
-
-using ndn::security::KeyChain;
-
-} // namespace ndn
+#endif // NDN_CXX_SECURITY_KEY_CHAIN_HPP