File _link of Package mingw64-libsidplayfp

<link project="windows:mingw:win64" package="mingw64-libsidplayfp" baserev="d28a6dacd4ce9ceacddc0563569f5d3a">
  <patches>
    <delete name="libsidplayfp-2.15.0.tar.gz"/>
    <apply name="project.diff"/>
  </patches>
</link>