Bug 9811 [QA Followup] - Enable bProcessing

It's a bit disconcerting to not have any feedback while paging
through the patrons. Enabling bProcessing helps resolve that.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

koha-tmpl/intranet-tmpl/prog/en/modules/members/member.tt

@@ -213,6 +213,7 @@ $(document).ready(function() {
         "aLengthMenu": [aLengthMenu, aLengthMenuLabel],
         'sPaginationType': 'full_numbers',
         "iDisplayLength": [% PatronsPerPage %],
+        "bProcessing": true,
     }));
     update_searched();
 });