make update_pch.sh aware of '#pragma once'

Headers are allowed to have one #if block that is not ignored,
on the assumption that it is the include guard. This shouldn't
be the case if the header uses #pragma once, obviously.

Change-Id: Ib0aa0933ce224ca4e3ecf209593852da0f4ca5ac
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113799
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

0 files changed, 0 insertions, 0 deletions