Issue #1373582 by TR: Fixed Trailing whitespace.

core/includes/ajax.inc

core/includes/archiver.inc

core/includes/batch.inc

core/includes/gettext.inc

core/includes/graph.inc

core/includes/module.inc

core/includes/password.inc

core/includes/registry.inc

core/includes/xmlrpc.inc

core/includes/xmlrpcs.inc