code: func (s *AccountsService) SetActive(accountID string) (*Response, error) {
  	u := fmt.Sprintf("accounts/%s/active", accountID)
  
  	req, err := s.client.NewRequest("PUT", u, nil)
  	if err != nil {
  		return nil, err
  	}
  	return s.client.Do(req, nil)
  }
docs: // SetActive sets the account state to active.
  //
  // If the account was already active the response is “200 OK”.
  //
  // Gerrit API docs: https://gerrit-review.googlesource.com/Documentation/rest-api-accounts.html#set-active