File _link of Package rubygem-connection_pool

<link project="home:darix:apps" package="rubygem-connection_pool" baserev="4c77e941a3480b2efc3f2051325ca7e0">
  <patches>
    <delete name="connection_pool-2.5.3.gem"/>
    <apply name="project.diff"/>
  </patches>
</link>