commit c759027a526ac09ce413dc88c308a4ed98b33416
Author: Pablo Neira Ayuso <pablo@netfilter.org>
Date:   Wed Aug 31 16:52:51 2022 +0200

    rule, set_elem: remove trailing \n in userdata snprintf
    
    212479ad2c92 ("rule, set_elem: fix printing of user data") uncovered
    another an extra line break in the userdata printing, remove it.
    
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
