Backport of "vkh26xdec: Fix stop memory leak" into 1.24
requested to merge gstreamer-backport-bot/gstreamer:mr-6782-backport-into-1.24-dab_vkdecoder_leak into 1.24
Backport of !6782 (merged) "vkh26xdec: Fix stop memory leak".
Commits:
- 10ce5a68 vkh26xdec: Fix stop memory leak