kdump-lib.sh: fix arithmetic operation syntax
upstream: fedora
resolves: bz2003832
conflict: none
commit c0edb80b8f2d6b859d7f7118942e825d35be5c51
Author: Kairui Song <kasong@redhat.com>
Date: Wed Sep 8 13:31:31 2021 +0800
kdump-lib.sh: fix arithmetic operation syntax
Get rid of let, and remove useless '$' on arithmetic variables.
Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Philipp Rudo <prudo@redhat.com>
Signed-off-by: Tao Liu <ltao@redhat.com>