bugfix: "cookie" parameter was missing in mmjsonparse
bugfix: "cookie" parameter was missing in mmjsonparse

see also https://github.com/rsyslog/rsyslog/issues/940

janmejay/rsyslog-doc,qha/rsyslog-doc,qha/rsyslog-doc,sematext/rsyslog-doc,sematext/rsyslog-doc,sematext/rsyslog-doc,qha/rsyslog-doc,qha/rsyslog-doc,janmejay/rsyslog-doc,janmejay/rsyslog-doc,sematext/rsyslog-doc,janmejay/rsyslog-doc