When switching back to the previous variant stream in gst_hls_demux_change_playlist(), fix a couple of paths that would leak a reference to the previous variant. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2873>
When switching back to the previous variant stream in gst_hls_demux_change_playlist(), fix a couple of paths that would leak a reference to the previous variant. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2873>