packaging: setup: Do not fail on errors while restoring permissions

Bug-Url: https://bugzilla.redhat.com/1073471
Change-Id: I5368388764576a2900a772b82f84d0b366f106c7
Signed-off-by: Yedidyah Bar David <didi@redhat.com>
(cherry picked from commit c5a90953f5a2d13202f15786c577d905cd614e3c)