File _constraints of Package librsvg

<constraints>
  <hardware>
    <disk>
      <size unit="G">6</size>
    </disk>
  </hardware>
  <overwrite>
    <conditions>
      <arch>x86_64</arch>
      <arch>i586</arch>
    </conditions>
     <hardware>
     <disk>
      <size unit="G">12</size>
     </disk>
     <physicalmemory>
      <size unit="G">8</size>
     </physicalmemory>
    </hardware>
  </overwrite>
</constraints>