[evolution-data-server] Fix a compiler warning caused by commit 69e94310 for bug #724626

[Milan Crha <mcrha src gnome org>]

commit 90cb2c0bab0de3bb5e729bc578d178cb221ba46b
Author: Milan Crha <mcrha redhat com>
Date:   Fri Mar 7 11:56:19 2014 +0100

    Fix a compiler warning caused by commit 69e94310 for bug #724626

 addressbook/libedata-book/e-data-book.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book.c b/addressbook/libedata-book/e-data-book.c
index f2dc1f2..26986dc 100644
--- a/addressbook/libedata-book/e-data-book.c
+++ b/addressbook/libedata-book/e-data-book.c
@@ -2166,7 +2166,7 @@ e_data_book_set_locale (EDataBook *book,
                e_dbus_address_book_set_locale (
                        book->priv->dbus_interface, locale);
                g_dbus_interface_skeleton_flush (
-                       book->priv->dbus_interface);
+                       G_DBUS_INTERFACE_SKELETON (book->priv->dbus_interface));
        }
 
        g_object_unref (backend);