File _link of Package bison

<link project="openSUSE:Factory" rev="8d6f3b15f6f5795a7f5d344d3eba5707" baserev="8d6f3b15f6f5795a7f5d344d3eba5707" vrev="3.7.0">
  <patches>
    <branch />
  </patches>
</link>