[folks] build: Fix test ObjectCache for internal API breaks.

[Travis Reitter <treitter src gnome org>]

commit 0c0882871f103e38075d0fc6e0231ab97c49af37
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Mon Oct 17 12:24:07 2011 -0700

    build: Fix test ObjectCache for internal API breaks.

 tests/folks/object-cache.vala |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/tests/folks/object-cache.vala b/tests/folks/object-cache.vala
index b7cee02..c669067 100644
--- a/tests/folks/object-cache.vala
+++ b/tests/folks/object-cache.vala
@@ -21,7 +21,8 @@ internal class TestCache : Folks.ObjectCache<TestObject>
       base ("test", id);
     }
 
-  protected override VariantType get_serialised_object_type ()
+  protected override VariantType? get_serialised_object_type (
+      uint8 object_version)
     {
       return new VariantType.tuple ({
         VariantType.STRING,
@@ -42,7 +43,8 @@ internal class TestCache : Folks.ObjectCache<TestObject>
       });
     }
 
-  protected override TestObject deserialise_object (Variant variant)
+  protected override TestObject deserialise_object (Variant variant,
+      uint8 object_version)
     {
       // Deserialise the persona
       var my_string = variant.get_child_value (0).get_string ();