Backport of "rtmp2src: workaround a GLib race when destroying a GMainContext/GSource" into 1.18
requested to merge tpm/gst-plugins-bad:backport-mr-2405-into-1.18-rtmp2src-workaround-glib-maincontext-source-race into 1.18
Backport of !2405 (merged) "rtmp2src: workaround a GLib race when destroying a GMainContext/GSource".
Commits:
- fdca97ec rtmp2src: workaround a GLib race when destroying a GMainContext/GSource