[patch] Make dbus-monitor flush its output on CTRL-C

[Havoc Pennington]

Olli Salli wrote:
> Uh, right.
> 
> This is the _patch_, whistle.
> 

I'd add a comment about the point of that signal handler - "we handle 
SIGINT so exit() is reached and flushes stdout"

Otherwise, much better, thanks to Dan's suggestion.

Havoc