virSecuritySELinuxRestoreAllLabel: Print @migrated in the debug message too
virSecuritySELinuxRestoreAllLabel: Print @migrated in the debug message too

Just like it's DAC counterpart is doing,
virSecuritySELinuxRestoreAllLabel() could print @migrated in the
debug message.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>
Reviewed-by: Cole Robinson <7cd45ff6ad1fb7cf556a02797d774247851499f8@redhat.com>
Reviewed-by: Daniel P. Berrangé <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

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