dracut-kdump.sh: reformat with shfmt
    
    upstream: fedora
    resolves: bz2003832
    conflict: none
    
    commit 7c76611abba248e58172fdf170739a3c0f40e2c6
    Author: Kairui Song <kasong@redhat.com>
    Date:   Wed Sep 15 23:10:07 2021 +0800
    
        dracut-kdump.sh: reformat with shfmt
    
        This is done with `shfmt -w -s dracut-kdump.sh`. There is no behaviour
        change.
    
        Signed-off-by: Kairui Song <kasong@redhat.com>
        Acked-by: Philipp Rudo <prudo@redhat.com>
    
    Signed-off-by: Tao Liu <ltao@redhat.com>