File _link of Package nextcloud-apps-mail

<link project="isv:infrarun:nextcloud:28" package="nextcloud-apps-mail" rev="8c1cc6401a5f733a598d856afb3dcbd2" vrev="7" baserev="8c1cc6401a5f733a598d856afb3dcbd2">
  <patches>
    <delete name="mail-v3.7.7.tar.gz"/>
    <apply name="project.diff"/>
  </patches>
</link>