LONDON (Reuters) – Martin Sorrell’s S4 Capital said it expected to enjoy a good year in 2022 despite the deteriorating global economic outlook, as it published its 2021 results that were delayed by an audit hold up. S4 said the more than month-long delay had been unacceptable and embarrassing and said significant changes would be made to its financial control, risk and governance structure. In a results statement that was described as unaudited, it said several significant additions would be made to teams including the Audit Committee. The digital advertising group said the year had started we…