network: move driver registration back to end of the file
network: move driver registration back to end of the file

By convention the last thing in the driver.c files should be the driver
callback table and function to register it.

Signed-off-by: Daniel P. Berrangé <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

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