tree, dont_show_children_nodes, number of direct children

src/tree_find.py

@@ -70,6 +70,7 @@ class NerdTreeFind(NerdTree):
 
     if dont_show_children_nodes: 
       for result in results:
+        result['nchildren'] = len(result['children'])
         result['children'] = []
 
     tree_struct = {}