Adding namespace nlsr
diff --git a/src/nlsr_dm.cpp b/src/nlsr_dm.cpp
index a076815..1f3beab 100644
--- a/src/nlsr_dm.cpp
+++ b/src/nlsr_dm.cpp
@@ -1,13 +1,13 @@
 #include<iostream>
 #include<cstdlib>
 
-
-
 #include "nlsr.hpp"
 #include "nlsr_dm.hpp"
 #include "nlsr_tokenizer.hpp"
 #include "nlsr_lsdb.hpp"
 
+namespace nlsr {
+
 using namespace std;
 using namespace ndn;
 
@@ -76,7 +76,6 @@
 		}
 		
 	}
-
-	
-	
 }
+
+}//namespace nlsr