[gnome-control-center] network: Fix more potential crashers for WWAN

[Bastien Nocera <hadess src gnome org>]

commit c515a6e67e7e356135977557ce4b0e927dcafecc
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Sep 3 13:23:20 2014 +0200

    network: Fix more potential crashers for WWAN
    
    And virtual devices. Again, listening on the long-lasting client
    object but expecting the user_data (the object) to be around when
    it might have been destroyed already.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735932

 panels/network/net-device-mobile.c  |    6 +++---
 panels/network/net-virtual-device.c |    8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/panels/network/net-device-mobile.c b/panels/network/net-device-mobile.c
index dad3a4a..71379f9 100644
--- a/panels/network/net-device-mobile.c
+++ b/panels/network/net-device-mobile.c
@@ -767,9 +767,9 @@ net_device_mobile_constructed (GObject *object)
         }
 
         client = net_object_get_client (NET_OBJECT (device_mobile));
-        g_signal_connect (client, "notify::wwan-enabled",
-                          G_CALLBACK (mobilebb_enabled_toggled),
-                          device_mobile);
+        g_signal_connect_object (client, "notify::wwan-enabled",
+                                 G_CALLBACK (mobilebb_enabled_toggled),
+                                 device_mobile, 0);
         nm_device_mobile_refresh_ui (device_mobile);
 }
 
diff --git a/panels/network/net-virtual-device.c b/panels/network/net-virtual-device.c
index c146527..aeacb7e 100644
--- a/panels/network/net-virtual-device.c
+++ b/panels/network/net-virtual-device.c
@@ -323,10 +323,10 @@ net_virtual_device_constructed (GObject *object)
 
         client = net_object_get_client (NET_OBJECT (virtual_device));
 
-        g_signal_connect (client, "device-added",
-                          G_CALLBACK (device_added_cb), virtual_device);
-        g_signal_connect (client, "device-removed",
-                          G_CALLBACK (device_removed_cb), virtual_device);
+        g_signal_connect_object (client, "device-added",
+                                 G_CALLBACK (device_added_cb), virtual_device, 0);
+        g_signal_connect_object (client, "device-removed",
+                                 G_CALLBACK (device_removed_cb), virtual_device, 0);
         devices = nm_client_get_devices (client);
         if (devices) {
                 for (i = 0; i < devices->len; i++)