[PUSHED libreoffice-4-0] fdo#64150 don't segfault when there is no line

[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/3765

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


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Gerrit-MessageType: merged
Gerrit-Change-Id: Iab36de3d407925cdb0e092afae457907f0261b3e
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: libreoffice-4-0
Gerrit-Owner: Lionel Elie Mamane <lionel at mamane.lu>
Gerrit-Reviewer: Thorsten Behrens <tbehrens at suse.com>