[evolution-data-server] Fix minor compiler warnings

[Milan Crha <mcrha src gnome org>]

commit 85162b95e1c66fbc6f4017cb983cbb6092e57001
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 15 09:20:03 2011 +0100

    Fix minor compiler warnings

 tests/libebook/client/test-client-get-revision.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/libebook/client/test-client-get-revision.c b/tests/libebook/client/test-client-get-revision.c
index f76c905..2d0f39f 100644
--- a/tests/libebook/client/test-client-get-revision.c
+++ b/tests/libebook/client/test-client-get-revision.c
@@ -15,7 +15,7 @@ get_revision_compare_cycle (EBookClient *client)
        EContact *contact = NULL;
        GError   *error = NULL;
 
-       if (!e_client_get_backend_property_sync (client, BOOK_BACKEND_PROPERTY_REVISION, &revision_before, NULL, &error))
+       if (!e_client_get_backend_property_sync (E_CLIENT (client), BOOK_BACKEND_PROPERTY_REVISION, &revision_before, NULL, &error))
                g_error ("Error getting book revision: %s", error->message);
 
 	if (!add_contact_from_test_case_verify (client, "simple-1", &contact)) {
@@ -28,7 +28,7 @@ get_revision_compare_cycle (EBookClient *client)
 
 	g_object_unref (contact);
 
-       if (!e_client_get_backend_property_sync (client, BOOK_BACKEND_PROPERTY_REVISION, &revision_after, NULL, &error))
+       if (!e_client_get_backend_property_sync (E_CLIENT (client), BOOK_BACKEND_PROPERTY_REVISION, &revision_after, NULL, &error))
                g_error ("Error getting book revision: %s", error->message);
 
        g_assert (revision_before);