8def321 conf: Avoid leaking blockers from virDomainCapsCPUModel

Authored and Committed by Jiri Denemark 6 years ago
    conf: Avoid leaking blockers from virDomainCapsCPUModel
    
    When adding CPU usability blockers I forgot to properly free them when
    in virDomainCapsCPUModelsDispose.
    
    Reported-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
    Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
    Reviewed-by: Pavel Hrdina <phrdina@redhat.com>