Note: Only for the ENABLE_MACOSX_SANDBOX case. Does not affect a
regular signed build.

Change-Id: I296ebdd5de075c1efbd198c671a3ec082681deb4
Reviewed-on: https://gerrit.libreoffice.org/44728Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
(cherry picked from commit 327ad42f)