f5a8cd6 certmap: make sure eku_oid_list is always allocated

2 files Authored by sbose 6 years ago, Committed by jhrozek 6 years ago,
    certmap: make sure eku_oid_list is always allocated
    
    If there are only OIDs in a <EKU> part of a matching rule a NULL pointer
    dereference might occur.
    
    Related to https://pagure.io/SSSD/sssd/issue/3508
    
    Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>