core: clear check-style -l3 errors

src/core/model/node-printer.cc

@@ -32,12 +32,12 @@
 
 namespace ns3 {
 
-  NS_LOG_COMPONENT_DEFINE ("NodePrinter");
+NS_LOG_COMPONENT_DEFINE ("NodePrinter");
 
 /**
  * \ingroup logging
  * Default node id printer implementation.
- * 
+ *
  * \param [in,out] os The output stream to print the node id on.
  */
 void
@@ -54,6 +54,5 @@ DefaultNodePrinter (std::ostream &os)
 }
 
 
-  
 } // namespace ns3