Backport of "rtpjitterbuffer: Clear clock master before unreffing" into 1.16
requested to merge tpm/gst-plugins-good:backport-mr-244-into-1.16-rtpjitterbuffer-clear-clock-master into 1.16
Backport of !244 (merged) "rtpjitterbuffer: Clear clock master before unreffing".
Commits:
- 53b3f2dd rtpjitterbuffer: Clear clock master before unreffing