interface: Introduce virInterfaceObjNew
interface: Introduce virInterfaceObjNew

Create/use a helper to perform the object allocation

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

VenkatDatta/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,nertpinx/libvirt,zippy2/libvirt,datto/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,jardasgit/libvirt,olafhering/libvirt,eskultety/libvirt,libvirt/libvirt,datto/libvirt,crobinso/libvirt,datto/libvirt,jardasgit/libvirt,eskultety/libvirt,jardasgit/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jardasgit/libvirt,zippy2/libvirt,eskultety/libvirt,andreabolognani/libvirt,olafhering/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,olafhering/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,crobinso/libvirt,eskultety/libvirt,crobinso/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,libvirt/libvirt,datto/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,olafhering/libvirt,libvirt/libvirt,andreabolognani/libvirt,nertpinx/libvirt,zippy2/libvirt,libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,datto/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,eskultety/libvirt,crobinso/libvirt