[PUSHED] fdo#62525: use cow_wrapper for FillHatchAttribute

[Thorsten Behrens (via Code Review)]

Hi,

Thank you for your patch!  It has been merged to LibreOffice.

If you are interested in details, please visit

    https://gerrit.libreoffice.org/3073

Approvals:
  Thorsten Behrens: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: I1581b4bca6f14bd27af12ff40a4f4c0fe08af133
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Thomas Arnhold <thomas at arnhold.org>
Gerrit-Reviewer: Thorsten Behrens <tbehrens at suse.com>