Screensharing fixes for Crash on Mac and potential leak on thread creation.

Julien Wadel
2024-03-01T17:02:17Z

https://gitlab.linphone.org/BC/public/bctoolbox/-/merge_requests/285

https://gitlab.linphone.org/BC/public/liblinphone/-/merge_requests/2941

https://gitlab.linphone.org/BC/public/mediastreamer2/-/merge_requests/933