package/samba4: bump version to 4.8.2
Release notes: https://www.samba.org/samba/history/samba-4.8.2.html
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 78e020726c8af031c9f38153d58aded4716b80d7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>