smbd, samba-bgqd: allow reading openssl.cnf

Christian Boltzrequested to merge
cboltz/apparmor:cboltz-samba-openssl into master

References: https://bugzilla.opensuse.org/show_bug.cgi?id=1195463#c10

I propose this patch for 3.0 and master. (<= 2.13 don't have the samba-bgpd profile - if we want to backport to 2.x, we'll have to pick only the smbd part.)

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