[evolution-data-server] Declare missing GError variable in e_data_book_factory_init

[Rodrigo Moya <rodrigo src gnome org>]

commit 8fd66bc2a3c7a44304501a7fb06608363ca79975
Author: Rodrigo Moya <rodrigo gnome-db org>
Date:   Tue Sep 27 12:50:26 2011 +0200

    Declare missing GError variable in e_data_book_factory_init

 addressbook/libedata-book/e-data-book-factory.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book-factory.c b/addressbook/libedata-book/e-data-book-factory.c
index 6d6798f..22853e3 100644
--- a/addressbook/libedata-book/e-data-book-factory.c
+++ b/addressbook/libedata-book/e-data-book-factory.c
@@ -522,6 +522,10 @@ e_data_book_factory_accounts_changed_cb (GoaClient *client, GDBusObject *object,
 static void
 e_data_book_factory_init (EDataBookFactory *factory)
 {
+#ifdef HAVE_GOA
+	GError *error = NULL;
+#endif
+
 	factory->priv = E_DATA_BOOK_FACTORY_GET_PRIVATE (factory);
 
 	factory->priv->gdbus_object = e_gdbus_book_factory_stub_new ();