Backport of "dashsink: fix double unref of sinkpad caps" into 1.18
requested to merge tpm/gst-plugins-bad:backport-mr-1981-into-1.18-dashsink_fix_double_unref into 1.18
Backport of !1981 (merged) "dashsink: fix double unref of sinkpad caps".
Commits:
- 1753d293 dashsink: fix double unref of sinkpad caps