Fixed namespace formatting across all files.

refs: #3735

Change-Id: Ia04f0895de9906e280d6140f775bb6609db714e6
diff --git a/src/hello-protocol.hpp b/src/hello-protocol.hpp
index a37bb2e..e22d0e7 100644
--- a/src/hello-protocol.hpp
+++ b/src/hello-protocol.hpp
@@ -88,6 +88,6 @@
   static const std::string NLSR_COMPONENT;
 };
 
-} //namespace nlsr
+} // namespace nlsr
 
 #endif // NLSR_HELLO_PROTOCOL_HPP