64a5dc1 Convert callers to use typesafe APIs for getting identity attrs

Authored and Committed by berrange 9 years ago
    Convert callers to use typesafe APIs for getting identity attrs
    
    Convert virAccessDriverPolkitFormatProcess to use typesafe API
    for getting process ID attribute.
    
    Signed-off-by: Daniel P. Berrange <berrange@redhat.com>