Fix returning instance as an output argument from method
Fix returning instance as an output argument from method

Submitted By: Radek Novacek <rnovacek@redhat.com>

rnovacek/konkretcmpi,rnovacek/konkretcmpi,kkaempf/konkretcmpi,rnovacek/konkretcmpi,kkaempf/konkretcmpi,kkaempf/konkretcmpi