By Zara Woodcock Coronation Street star Tony Maudsley was devastated as he revealed his missing friend had died. On Tuesday, the actor shared a missing poster of his friend Michael McGarriggle and asked his Twitter followers for their help in finding him. He explained that Michael was a ‘part of the family’ and worked on Benidorm as a costume supervisor for many years. Michael was last seen in Glasgow on Sunday morning. A couple of hours later, Tony returned to the platform to announce the tragic news of his friend’s death. Along with a picture of the two together, Tony said: “Thank you so muc…