Update processqueue.php
Update processqueue.php

Solution for 0016850: Query updating msg/hr in messagedata will fail on german locale
and 0016956: MySQL Error while processing queue

(https://mantis.phplist.com/view.php?id=16850#c53464)
Gerberus/phplist,Gerberus/phplist,Gerberus/phplist,Gerberus/phplist,Gerberus/phplist