to the pre vectorization code layout before...

commit e5d378b1
Author: Kohei Yoshida <kohei.yoshida@gmail.com>
Date:   Tue Apr 3 18:26:29 2012 -0400

    Check for empty-ness of vector before accessing the first element.

    I hope this will keep Stephan's tinderbox happy.  If not...

changed it, now that c++11 data is available to us

Change-Id: I184092502d1f30fcec78f3fa807de70ddc6c2aef
Reviewed-on: https://gerrit.libreoffice.org/26224Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>