[PATCH] G1: move chat handling into enable callback

[Marcel Holtmann]

Hi Andres,

> This updates the g1 code to create the GAtChat object in the enable() callback,
> and to unref it in the disable() callback.  This is more in line with what
> the other plugins do, and as a bonus fixes a segfault when powering down
> the G1 modem..
> 
> Signed-off-by: Andres Salomon <dilinger at collabora.co.uk>

I see that Denis has applied this patch. In the future, please leave the
Signed-off-by lines out since we are not using them inside oFono. That
is more a kernel commit thing.

Regards

Marcel