Serious side effect of #6299 (silencing salut so gabble can connect)

[Morgan Collett]

Morgan Collett wrote:
> After looking through the code for these activities I tried them all on
> build 691, with neither gabble nor salut running - the best way to
> reproduce expected behaviour without a schoolserver. (To reproduce, kill
> telepathy-gabble if it's running, then kill telepathy-salut.)
> 
> Only Pippy actually crashes - it fails to launch completely.

Logged #6475 for Pippy, with a minimal patch attached.

Morgan