Comment 6 for bug 982436

A temporary fix for me was to locate librtmp.so.0 on my system and symlink it into /usr/lib/

E.g.

$ locate librtmp.so.0
/usr/lib/i486-linux-gnu/librtmp.so.0
sudo ln -s /usr/lib/i486-linux-gnu/librtmp.so.0 /usr/lib/librtmp.so.0