Adding namespace nlsr
diff --git a/src/nlsr_nhl.cpp b/src/nlsr_nhl.cpp
index 4fe50aa..c23cc04 100644
--- a/src/nlsr_nhl.cpp
+++ b/src/nlsr_nhl.cpp
@@ -3,6 +3,8 @@
 #include "nlsr_nhl.hpp"
 #include "nlsr_nexthop.hpp"
 
+namespace nlsr {
+
 using namespace std;
 
 static bool
@@ -79,3 +81,5 @@
 	}
 	return os;
 }
+
+}//namespace nlsr