File _link of Package mingw32-mpc

<link project="windows:mingw:win32" package="mingw32-mpc"  >
<patches>
  <!-- <apply name="patch" /> apply a patch on the source directory  -->
  <!-- <topadd>%define build_with_feature_x 1</topadd> add a line on the top (spec file only) -->
  <!-- <add>file.patch</add> add a patch to be applied after %setup (spec file only) -->
  <!-- <delete>filename</delete> delete a file -->
</patches>
</link>