Bug 5674: patron name sort ignoring case when placing holds.

Bug 5674: patron name sort ignoring case when placing holds.

Fixes the patron name sorting when placing holds.

Testing - See Bug 5674.
Create two patrons.  One named SMITH, THOMAS and the other Smith, John.
Search for an item to place on request.  Do a patron search for Smith.

Signed-off-by: Liz Rea <wizzyrea@gmail.com>
Confirm both the original bug and the fix, sorting is correct now.
Patch does not change status of tests - prove t t/db_dependent xt no different from master.

Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>