Fixes problem with the ftp file copy for basic-install guides.

Change-Id: I85c8e0f695b4c5cc5a10aa81c3a0872a6cccad80
Reviewed-on: https://review.openstack.org/27836
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: matthew-wagoner <matthew.wagoner@hp.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins