* include/libvirt/libvirt.h.in, src/libvirt.c add
        virDomainGetAutostart(), virDomainSetAutostart(),
        virNetworkGetAutostart() and virNetworkSetAutostart().

        * src/libvirt_sym.version: export the API

        * src/driver.h: add methods to the driver vtables.

        * src/proxy_internal.c, src/qemu_internal.c,
          src/test.c, src/xen_internal.c, src/xend_internal.c,
          src/xm_internal.c, src/xs_internal.c: set those
        methods to NULL