dbus upgrade issue

[Havoc Pennington]

Stephen Smalley wrote:
> - policy_reload_callback raises SIGHUP,
> - bus reloads its config, pulling in new dbus_contexts when it reaches
> the <include>.
> 
> I don't know if there is a cleaner way to reload just dbus_contexts
> itself in the bus, but it happens in the bus' config parser, not
> libselinux or even selinux.c in the bus.
> 

We could just add a function like bus_reload_config() ;-)

Havoc