[gnome-settings-daemon] color: initialize the manager's cancellable

[Rui Matos <rtcm src gnome org>]

commit fa1f9b732e755e052fb6a0a73a4fb295a344eb19
Author: Christian Kellner <christian kellner me>
Date:   Tue Aug 22 17:32:17 2017 +0200

    color: initialize the manager's cancellable
    
    The infrastructure to use a GCancellable during g_bus_get is
    present but the corresponding member bus_cancellable is never
    allocated.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786616

 plugins/color/gsd-color-manager.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/color/gsd-color-manager.c b/plugins/color/gsd-color-manager.c
index 393f43c..d46c592 100644
--- a/plugins/color/gsd-color-manager.c
+++ b/plugins/color/gsd-color-manager.c
@@ -432,6 +432,7 @@ register_manager_dbus (GsdColorManager *manager)
 
         priv->introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
         g_assert (priv->introspection_data != NULL);
+        priv->bus_cancellable = g_cancellable_new ();
 
         g_bus_get (G_BUS_TYPE_SESSION,
                    priv->bus_cancellable,