Backport of "message: fix up enum value for GST_MESSAGE_DEVICE_CHANGED" into 1.16
requested to merge tpm/gstreamer:backport-mr-215-into-1.16-fix-up-device-changed-message-enum into 1.16
Backport of !215 (merged) "message: fix up enum value for GST_MESSAGE_DEVICE_CHANGED".
Commits:
- 8841c3a2 message: fix up enum value for GST_MESSAGE_DEVICE_CHANGED