pubAware_ adds 2 elements for each of these:
LOCAL_PUBLISHER, ZIP_PUBLISHER, FTP_PUBLISHER
and since ZIP_PUBLISHER is added in second positon,
the right index is 2 not 4

Change-Id: I0a533fd0cefcbbfca0e95628f64fac6258019600
Reviewed-on: https://gerrit.libreoffice.org/18715Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>
(cherry picked from commit e72a4a3c)
Reviewed-on: https://gerrit.libreoffice.org/18717Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>