Fix broken compile

Compiling against pre-9.3 versions of MQ were broken by new filed

Update for MQ 9.3.0

• Update for MQ 9.3.0
• ibmmq - Add MQI parameters for keystore passwords
• mqmetric - Option to hide svrconn jobname attribute (ibm-messaging/mq-metric-samples#114)
• mqmetric - Option to use Durable subscriptions for queue metric data (reduces need to increase MAXHANDS)
• mqmetric - Exit with error if trying to use resource publications with pre-V9 qmgrs

Update for MQ 9.2.5

• Update for MQ 9.2.5
• ibmmq - Add MQI character constants for Group/Segment status
• ibmmq - PCF parser now understands PCF Groups
• samples - Add a PCF command creator/parser
• mqmetric - Optional ReplyQ2 config parm as separate name (ibm-messaging/mq-metric-samples#100)

Update for MQ 9.2.4

• Update for MQ 9.2.4
• ibmmq - Support for MQBNO (application balancing) structure
• mqmetric - Ensure DESCR fields are valid UTF8
• mqmetric - Deal with discovery of large numbers of queues on z/OS (ibm-messaging/mq-metric-samples#75)
• samples - Add alternative Dockerfile based on Red Hat UBI images

Enable more metrics

• mqmetric - Add 'uncommitted messages' to queue status response
• mqmetric - Add qmgr_status metric so that Prometheus collector can report it even when qmgr is unavailable
• mqmetric - Check more failure scenarios (#170)
• mqmetric - Add a cluster_suspend metric

Update for MQ 9.2.3

• Update for MQ 9.2.3
• Add a sample amqsbo.go to show how to deal with poison messages
• samples - Containerised sample turned into multi-stage Dockerfile to reduce size of deployed app container

Update for MQ 9.2.2

Scope of mqmetric changes seem to justify new minor number

• Update for MQ 9.2.2
• Add DltMH calls to clarify samples
• mqmetric - Restructure to allow multiple connections & reduce public interfaces
• mqmetric - Deal with discovery of large numbers of queues (#133, #161)
• ibmmq - Add PutDateTime as time.Time field in MQMD, MQDLH. Use of the string forms should be considered deprecated (inspired by #159)
• Add a DEPRECATIONS file for when advance notice might be needed

Update for MQ 9.2.1

Update for MQ 9.2.1

Channel monitor enhancements

• mqmetric - Add loglevel=TRACE and trace-points for all key functions in the package
• mqmetric - Add channel status bytes and buffer counts
• mqmetric - Check queue depth appropriate for all CHSTATUS operations
• ibmmq - Fix for potential race condition (#148)

Windows CGO changes

• Fix #146
• Update to ensure Windows cgo works in recommended compiler