File _link of Package Imath

<link project="graphics" package="Imath" baserev="0bb2f46044cef779b6be3bc7edcbcfb0">
  <patches>
      <apply name="project.diff"/>
      <add name="0001-Revert-src-python-config-ModuleDefine.cmake-do-not-i.patch" popt="1"/>
  </patches>
</link>