message: [history plugin] Add controlling_account to by_controlled_authority index
diff: @@ -39,7 +39,8 @@ using account_control_history_multi_index = chainbase::shared_multi_index_contai
  ordered_unique<tag<by_controlled_authority>,
  composite_key< account_control_history_object,
  member<account_control_history_object, account_name, &account_control_history_object::controlled_account>,
  - member<account_control_history_object, permission_name, &account_control_history_object::controlled_permission>
  + member<account_control_history_object, permission_name, &account_control_history_object::controlled_permission>,
  + member<account_control_history_object, account_name, &account_control_history_object::controlling_account>
  >
  >
  >
  