Bug 7587: Fix table name for biblioimages table

Bug 7587: Fix table name for biblioimages table

The kohastructure.sql file had the wrong name for the biblioimages table,
which broke the local cover images feature for new installations, and filled
the log with error messages.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
1) Checked a broken installation with wrong table name.
2) Checked for a new installation
Feature works perfectly.

http://bugs.koha-community.org/show_bug.cgi?id=7487
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>