MP Options Helper: iterate over options data by reference

wesnoth · Dec 18, 2016 · edfe69f · edfe69f
1 parent fc91f5d
commit edfe69f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gui/dialogs/multiplayer/mp_options_helper.cpp b/src/gui/dialogs/multiplayer/mp_options_helper.cpp
@@ -216,7 +216,7 @@ void mp_options_helper::display_custom_options(const std::string& type, int node
 		tree_view_node& option_node = options_tree_.add_node("option_node", data, node_position);
 		type_node_vector.push_back(&option_node);
 
-		for(const config::any_child opt : options.all_children_range()) {
+		for(const config::any_child& opt : options.all_children_range()) {
 			data.clear();
 			item.clear();