security: Adding test cases for validator

Change-Id: If89b0cafef7d03a3604073f2f2c05e3ea4edb600
diff --git a/src/nlsr.cpp b/src/nlsr.cpp
index 6f85d2c..76d841d 100644
--- a/src/nlsr.cpp
+++ b/src/nlsr.cpp
@@ -151,10 +151,10 @@
   ndn::Name keyPrefix = DEFAULT_BROADCAST_PREFIX;
   keyPrefix.append("KEYS");
   m_nlsrFace.setInterestFilter(keyPrefix,
-                                  ndn::bind(&Nlsr::onKeyInterest,
-                                            this, _1, _2),
-                                  ndn::bind(&Nlsr::onKeyPrefixRegSuccess, this, _1),
-                                  ndn::bind(&Nlsr::registrationFailed, this, _1));
+                               ndn::bind(&Nlsr::onKeyInterest,
+                                         this, _1, _2),
+                               ndn::bind(&Nlsr::onKeyPrefixRegSuccess, this, _1),
+                               ndn::bind(&Nlsr::registrationFailed, this, _1));
 
 }