[patch] do not segfault when D-Bus connection is reused

[Havoc Pennington]

John (J5) Palmieri wrote:
> On Thu, 2006-08-24 at 11:22 -0400, Havoc Pennington wrote:
>> Also just noticed that check_connection_and_unref has some problems; it 
>> doesn't do proper thread locking, and it doesn't handle DBUS_BUS_STARTER
> 
> DBUS_STARTER doesn't get handled because it is mapped to system or
> session.  From my original reading of the code handling DBUS_STARTER
> would cause a double unref.
> 

Hmm, needs a comment at least. It's probably cleaner to just ref 
DBUS_STARTER again when we put it in the array of connections, so this 
function can just iterate over the array of connections instead of 
special-casing each array member.

Havoc