Backport of "BaseSrc: fix transfer annotation for fixate virtual method" into 1.22
requested to merge tpm/gstreamer:backport-mr-3830-into-1.22-base_src_fixate_fix_annotation into 1.22
Backport of !3830 (merged) "BaseSrc: fix transfer annotation for fixate virtual method".
Commits:
- 4d240c27 BaseSrc: fix transfer annotation for fixate virtual method