[folks] bluez: Adapt to gio-2.0 api change in valac 0.35+

[Rico Tzschichholz <ricotz src gnome org>]

commit 05b7dda26b40fd420eb4d9b26580fee16ef3d9ef
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Sep 29 18:16:37 2016 +0200

    bluez: Adapt to gio-2.0 api change in valac 0.35+

 backends/bluez/bluez-backend.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/backends/bluez/bluez-backend.vala b/backends/bluez/bluez-backend.vala
index efcb432..8f14cda 100644
--- a/backends/bluez/bluez-backend.vala
+++ b/backends/bluez/bluez-backend.vala
@@ -558,7 +558,11 @@ public class Folks.Backends.BlueZ.Backend : Folks.Backend
           try
             {
               this._manager =
+#if VALA_0_36
+                  yield new DBusObjectManagerClient.for_bus (BusType.SYSTEM,
+#else
                   yield DBusObjectManagerClient.new_for_bus (BusType.SYSTEM,
+#endif
                       DBusObjectManagerClientFlags.NONE, "org.bluez", "/",
                       /* DBusProxyTypeFunc: */
                       (manager, path, iface_name) =>