Bug 12478: (follow-up) Display the correct number of facets

Bug 12478: (follow-up) Display the correct number of facets

This patch fixes a side-effect of the previous "Display the correct
number of facets (5 instead of 6)" patch.

If you ask for more facets ('show more' link) and that the number of
facets is > 5 but < 10, 1 facet will be missing.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Jesse Weaver <jweaver@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>