Fix DBUS error types to fix AC adapter

[David Zeuthen]

On Mon, 2007-03-26 at 22:14 +0200, Danny Kukawka wrote:
> The dbus_error_init() call again and again is not needed. I thought we
> should 
> prevent calls which are not needed to speed up hal and the system.

dbus_error_init() is not a system call or is it an IPC call; your patch
is at best going to save a few cycles if anything. I'm sure we have more
important things to worry about at this point...

     David