[PUSHED] use static/reinterpret_cast and minor rewrite

[Norbert Thiebaud (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/2047

Approvals:
  LibreOffice gerrit bot: Verified
  Norbert Thiebaud: Looks good to me, approved


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To view, visit https://gerrit.libreoffice.org/2047
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Gerrit-MessageType: merged
Gerrit-Change-Id: I9d2f21394c03e29d573dc197da90a91c96d55409
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Maxime de Roucy <mderoucy at linagora.com>
Gerrit-Reviewer: LibreOffice gerrit bot <gerrit at libreoffice.org>
Gerrit-Reviewer: Norbert Thiebaud <nthiebaud at gmail.com>