[PUSHED] Replace XubString with OUString in morebtn.{c,h}xx

[Fridrich Strba (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/2573

Approvals:
  Fridrich Strba: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: I492f93a9ef5244681a28aed16e81c7558e38a875
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Christina Roßmanith <ChrRossmanith at web.de>
Gerrit-Reviewer: Fridrich Strba <fridrich at documentfoundation.org>