Fixed the issue: missed pot files cause translation scripts error.

Missed pot files will cause an error in manuals translation scripts.
So move the "tx set --auto-local" command backwards
after the command to generate pot files.

bug 1193127

Change-Id: I57553a9b295796a70eaf8b54e2c9037f928cdc06
Reviewed-on: https://review.openstack.org/33909
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins