Bug 27331: (bug 27331 follow-up) Fix syntax error in authorised_values.sql for fr-FR

Bug 27331: (bug 27331 follow-up) Fix syntax error in authorised_values.sql for fr-FR

ERROR 1064 (42000) at line 724: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '+
+INSERT INTO authorised_values (category, authorised_value, lib) VALUES ('HOLD' at line 1

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 80029ad4725b64bb6197ced5bd867721769b04a6)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>