Fixed namespace formatting across all files.

refs: #3735

Change-Id: Ia04f0895de9906e280d6140f775bb6609db714e6
diff --git a/src/route/nexthop-list.cpp b/src/route/nexthop-list.cpp
index a720666..dc11113 100644
--- a/src/route/nexthop-list.cpp
+++ b/src/route/nexthop-list.cpp
@@ -116,4 +116,4 @@
   }
 }
 
-}//namespace nlsr
+} // namespace nlsr