File _link of Package ruby20

<link project="devel:languages:ruby" package="ruby20" rev="90cb0e39e549ca0310ca4269bea4e32f" vrev="18" baserev="90cb0e39e549ca0310ca4269bea4e32f">
  <patches>
    <apply name="project.diff" />
  </patches>
</link>