Leave sal_osl_security alone because
it does not use CPPUNIT_PLUGIN_IMPLEMENT.

Change-Id: Iced8bb80c3ae661d371c087d7178a373ffd802e0
Reviewed-on: https://gerrit.libreoffice.org/32142Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Matúš Kukan <matus@libreoffice.org>