Fix parsing the information from the xml we retrieve from the mirror
    
    Without this the name and summary are always None and we never update
    bugzilla with the "right" description for each component.
    
    See ticket https://pagure.io/fedora-infrastructure/issue/9592 for more
    context.
    
    Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>