Bug 17484: Search with date range limit (lower and upper) does not work

Bug 17484: Search with date range limit (lower and upper) does not work

If the period is entered without spaces wrapping the hyphen
You can't get any result

Signed-off-by: Mirko Tietgen <mirko@abunchofthings.net>
I can't reproduce the error, search still works after applying the patch

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 660be0e0195613ce9eaaf45b17d2e5db4ad705f0)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>