Covscan issues: deadcode and Use after free
    
    Covscan detected an unused value in ipa_kdb_principals.c
    and a use-after-free in ipa-print-pac.c.
    
    Fixes: https://pagure.io/freeipa/issue/9431
    
    Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>