[CentOS] Cannot get rtorrent to run

Sat Jun 22 01:47:22 UTC 2013
Yves S. Garret <yoursurrogategod at gmail.com>

If I'm writing about this in the wrong place, please let me know.  However,
when I
uninstalled rtorrent and then re-installed it, I kept getting this very
same error:

$ rtorrent foobar.torrent
rtorrent: symbol lookup error: rtorrent: undefined symbol:

Why is this happening?