[Libvir] [PATCH] fix to allow usage of flags when saving XML

As pointed by Jay Gagnon on IRC, virDomainGetXMLDesc() was failing if the flags value was non-NULL, and looking at the source we still had a check there to fail if flags is non-zero (and we define 2 flags in virDomainXMLFlags, so this is clearly broken), Daniel -- Red Hat Virtualization group http://redhat.com/virtualization/ Daniel Veillard | virtualization library http://libvirt.org/ veillard(a)redhat.com | libxml GNOME XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/