welcome view : update on currentChanged

- swap currentDefaultAccountChanged for currentChanged, to stay
more consistent with the rest.

Change-Id: I50097be6ef94dd8787d12e8acd0aeb2c008f301e
Reviewed-by: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com>
diff --git a/src/ringwelcomeview.cpp b/src/ringwelcomeview.cpp
index 7e673f5..0105a85 100644
--- a/src/ringwelcomeview.cpp
+++ b/src/ringwelcomeview.cpp
@@ -200,9 +200,9 @@
     gtk_box_pack_start(GTK_BOX(box_main), priv->button_qrcode, TRUE, TRUE, 0);
 
     priv->account_model_data_changed = QObject::connect(
-        &AvailableAccountModel::instance(),
-        &AvailableAccountModel::currentDefaultAccountChanged,
-        [self] (Account* a)
+        AvailableAccountModel::instance().selectionModel(),
+        &QItemSelectionModel::currentChanged,
+        [self] ()
         {
             update_view(self);
         });