content.cxx loops over CONTEXT_COUNT so there can't be holes here

regression from

commit 63aa32b7
Author: Caolán McNamara <caolanm@redhat.com>
Date:   Mon Sep 28 17:05:40 2015 +0100

    move strings out of widget

Change-Id: Ie189e2a910e02a96bc8e1450a2f2b03afaf466ac
(cherry picked from commit b33236bf)