Attempt n2 at fixing the openh264 plugin
Upstream MR: https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/merge_requests/9575
Followup to c15d8dcc
See #507 (closed)
Upstream MR: https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/merge_requests/9575
Followup to c15d8dcc
See #507 (closed)