Bug 16553 - Incorrect path to jQueryUI file in help template

Bug 16553 - Incorrect path to jQueryUI file in help template

This patch corrects an incorrect path to the jQueryUI library file in
the help system header include.

To test, apply the patch and open any help file in the staff client.
Your browser's JavaScript console should report no errors.

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
No more console errors
No qa errors

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>