**breaking** Change NLSR to nlsr for various prefixes

src: register router prefix to fix remote requests

refs: #4543

Change-Id: I698484318bf8e641f955ea40e6c51c6865cad8bf
diff --git a/src/hello-protocol.cpp b/src/hello-protocol.cpp
index 0c2d2d3..34600a7 100644
--- a/src/hello-protocol.cpp
+++ b/src/hello-protocol.cpp
@@ -30,7 +30,7 @@
 INIT_LOGGER(HelloProtocol);
 
 const std::string HelloProtocol::INFO_COMPONENT = "INFO";
-const std::string HelloProtocol::NLSR_COMPONENT = "NLSR";
+const std::string HelloProtocol::NLSR_COMPONENT = "nlsr";
 
 HelloProtocol::HelloProtocol(Nlsr& nlsr, ndn::Scheduler& scheduler)
   : m_nlsr(nlsr)