[at-spi2-atk] Have GetIndexInParent return a signed int, per the spec

[Mike Gorse <mgorse src gnome org>]

commit 664ca5370f57ad85406603e3ef78d949f9129a8d
Author: Mike Gorse <mgorse novell com>
Date:   Thu Feb 23 16:52:33 2012 -0600

    Have GetIndexInParent return a signed int, per the spec

 atk-adaptor/adaptors/accessible-adaptor.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/atk-adaptor/adaptors/accessible-adaptor.c b/atk-adaptor/adaptors/accessible-adaptor.c
index 12ad6af..ec21fc3 100644
--- a/atk-adaptor/adaptors/accessible-adaptor.c
+++ b/atk-adaptor/adaptors/accessible-adaptor.c
@@ -217,7 +217,7 @@ impl_GetIndexInParent (DBusConnection * bus,
                        DBusMessage * message, void *user_data)
 {
   AtkObject *object = (AtkObject *) user_data;
-  dbus_uint32_t rv;
+  dbus_int32_t rv;
   DBusMessage *reply;
 
   g_return_val_if_fail (ATK_IS_OBJECT (user_data),
@@ -225,7 +225,7 @@ impl_GetIndexInParent (DBusConnection * bus,
 
   rv = atk_object_get_index_in_parent (object);
   reply = dbus_message_new_method_return (message);
-  dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
+  dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
   return reply;
 }