(_hx509_calculate_path): allow to calculate optimistic path when we don't know the trust anchors, just follow the chain upward until we no longer find a parent or we hit the max limit.
(_hx509_calculate_path): allow to calculate optimistic path when we
don't know the trust anchors, just follow the chain upward until we no
longer find a parent or we hit the max limit.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@19096 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal