--- a/src/config-store/model/model-node-creator.cc	Fri May 13 14:51:27 2011 -0400
+++ b/src/config-store/model/model-node-creator.cc	Fri May 13 14:51:51 2011 -0400
@@ -116,8 +116,8 @@
   node->index = index;
   gtk_tree_store_append (m_treestore, current, parent);
   gtk_tree_store_set (m_treestore, current,
-              COL_NODE, node,
-                     -1);
+                      COL_NODE, node,
+                      -1);
   m_iters.push_back (current);
 }
 void 
@@ -125,6 +125,6 @@
 {
   GtkTreeIter *iter = m_iters.back ();
   g_free (iter);
-  m_iters.pop_back ();  
+  m_iters.pop_back ();
 }
-}//end namespace ns3
+} //end namespace ns3