Backport of "qtdemux: Use empty-array safe way to cleanup GPtrArray" into 1.16
Backport of !282 (merged) "qtdemux: Use empty-array safe way to cleanup GPtrArray".
Needs manual intervention, cherry-picking failed!
Commits:
- 4146dc90 qtdemux: Use empty-array safe way to cleanup GPtrArray
Edited by Tim-Philipp Müller