[libvirt] [PATCH alternative 1/2] virDomainGetID2

[Richard W.M. Jones]

This adds virDomainGetID2 which uses a pointer to int parameter,
allowing the -1 (non-running) domain ID to be returned safely.

Rich.

-- 
Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
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