File _link of Package trytond_purchase.openSUSE_Backports_SLE-15-SP6_Update

<link project="openSUSE:Backports:SLE-15-SP6:Update" package="trytond_purchase" rev="5c133eb6bb6d8222383f4d838c564633" vrev="2.13" baserev="5c133eb6bb6d8222383f4d838c564633">
  <patches>
    <branch></branch>
  </patches>
</link>