updated pt_PT dictionary to version 14.10.2.1

Change-Id: I9fa84bf75361a08d6141bae7ce74d407014c57ef
Reviewed-on: https://gerrit.libreoffice.org/11905
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>