security: Add new v2::KeyChain

Change-Id: I5fdf51ecd96b50db2a7cbf730c6e8b1d9fbe09e9
Refs: #2926
diff --git a/src/security/pib/identity-container.hpp b/src/security/pib/identity-container.hpp
index 94cd370..9e45cf9 100644
--- a/src/security/pib/identity-container.hpp
+++ b/src/security/pib/identity-container.hpp
@@ -153,6 +153,7 @@
   mutable std::unordered_map<Name, shared_ptr<detail::IdentityImpl>> m_identities;
 
   shared_ptr<PibImpl> m_pibImpl;
+
   friend class Pib;
 };