Fixed namespace formatting across all files.

refs: #3735

Change-Id: Ia04f0895de9906e280d6140f775bb6609db714e6
diff --git a/src/adjacency-list.cpp b/src/adjacency-list.cpp
index 20a6942..85d0ff8 100644
--- a/src/adjacency-list.cpp
+++ b/src/adjacency-list.cpp
@@ -292,4 +292,4 @@
   }
 }
 
-} //namespace nlsr
+} // namespace nlsr