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Author: Emilio Pozuelo Monfort <firstname.lastname@example.org>
Date: Sat Oct 17 14:15:37 2020 +0200
install the apparmor profile in thunderbird.install
This avoids a possible build failure if dh_install runs before
dh_installdir, as then the target directory won't have been
created (as seen on armhf on stretch-security).