Since commit 40809ce4,
OutputDevice::AddTempDevFont called OutputDevice::ImplRefreshAllFontData
twice: first time explicitly before return, second time in UpdateFontsGuard
destructor.

Change-Id: Ie67bdcbd98de5f6053379af700239246412b88db
Reviewed-on: https://gerrit.libreoffice.org/47066Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>