[gnome-bluetooth] BluetoothApplet: ensure that ->device_model is valid

[Giovanni Campagna <gcampagna src gnome org>]

commit 6ba439799e7fedfbc5d2e8f9b64ab3abde8e9b97
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Fri Dec 17 17:44:31 2010 +0100

    BluetoothApplet: ensure that ->device_model is valid
    
    Set ->device_model to NULL when ->default_adapter is NULL as well,
    so we won't connect signals to it, and won't make wrong assumptions
    on it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=637476

 applet/bluetooth-applet.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/applet/bluetooth-applet.c b/applet/bluetooth-applet.c
index a9cb790..74f647f 100644
--- a/applet/bluetooth-applet.c
+++ b/applet/bluetooth-applet.c
@@ -584,6 +584,8 @@ default_adapter_changed (GObject    *client,
 	}
 	if (self->default_adapter)
 		self->device_model = bluetooth_client_get_device_model (self->client, self->default_adapter);
+	else
+		self->device_model = NULL;
 
 	if (self->device_model) {
 		self->signal_row_added = g_signal_connect (self->device_model, "row-inserted",