INI: Silence ini_augment match failures
    
    Resolves:
    https://pagure.io/SSSD/ding-libs/issue/3182
    
    Reviewed-by: Michal Židek <mzidek@redhat.com>
    Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>
    Merges: https://pagure.io/SSSD/ding-libs/pull-request/3183