message: Fix IfChange/ThenChange typo.
diff: @@ -621,7 +621,7 @@ void TreeUnwrapper::Visit(const verible::SyntaxTreeNode& node) {
  case NodeEnum::kDoWhileLoopStatement:
  case NodeEnum::kForeachLoopStatement:
  case NodeEnum::kConditionalStatement:
  - // LINT.IfChange(:flow_control_parents)
  + // LINT.ThenChange(:flow_control_parents)
  {
  if (IsTopLevelListItem(Context())) {
  // Create a level of grouping without additional indentation.
  