SBUS: several trivial style fixes
    
    In SSSD we tend to use {} brackets around single-line blocks, too to
    make sure we don't forget to add them should the block become larger.
    
    We also don't add a space between function name and the opening "(".
    
    Reviewed-by: Pavel Březina <pbrezina@redhat.com>
    Reviewed-by: Stef Walter <stefw@redhat.com>
    (cherry picked from commit 3d5908ed0faf400a5c7d9c3e4312597ee1b7786a)