[gnome-panel/gnome-3-18] panel-applet-container: remove floating reference from data->parameters

[Sebastian Geiger <segeiger src gnome org>]

commit b5ad32bd79341264cc88b2c002df2bfc5479e263
Author: Sebastian Geiger <sbastig gmx net>
Date:   Sun Feb 7 16:20:30 2016 +0100

    panel-applet-container: remove floating reference from data->parameters
    
    GVariant uses a floating reference by default. But we need to make
    sure the reference stays valid during the whole life time of the
    data struct.

 .../panel-applet-container.c                       |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gnome-panel/libpanel-applet-private/panel-applet-container.c 
b/gnome-panel/libpanel-applet-private/panel-applet-container.c
index fea6bfe..af57ee3 100644
--- a/gnome-panel/libpanel-applet-private/panel-applet-container.c
+++ b/gnome-panel/libpanel-applet-private/panel-applet-container.c
@@ -427,6 +427,8 @@ applet_factory_data_free (AppletFactoryData *data)
        if (data->cancellable)
                g_object_unref (data->cancellable);
 
+       g_variant_unref (data->parameters);
+
        g_free (data);
 }
 
@@ -470,6 +472,7 @@ panel_applet_container_get_applet (PanelAppletContainer *container,
 {
        GTask              *task;
        AppletFactoryData  *data;
+       GVariant           *parameters;
        gint                screen_number;
        gchar              *bus_name;
        gchar              *factory_id;
@@ -495,11 +498,12 @@ panel_applet_container_get_applet (PanelAppletContainer *container,
        /* we can't use the screen of the container widget since it's not in a
         * widget hierarchy yet */
        screen_number = gdk_screen_get_number (screen);
+       parameters = g_variant_new ("(si*)", applet_id, screen_number, props);
 
        data = g_new (AppletFactoryData, 1);
        data->task = task;
        data->factory_id = factory_id;
-       data->parameters = g_variant_new ("(si*)", applet_id, screen_number, props);
+       data->parameters = g_variant_ref_sink (parameters);
        data->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
 
        bus_name = g_strdup_printf (PANEL_APPLET_BUS_NAME, factory_id);