[PUSHED] More String cleanup in filter

[Olivier Hallot (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/1463

Approvals:
  Olivier Hallot: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: Idf628ad51ebe9c841090a5e04c7986c15c726480
Gerrit-PatchSet: 1
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Ricardo Montania <ricardo at linuxafundo.com.br>
Gerrit-Reviewer: Olivier Hallot <olivier.hallot at alta.org.br>