[at-spi2-core] Fix atspi_selection_get_selected_child

[Mike Gorse <mgorse src gnome org>]

commit 52ce7dd238dddeeaaff1c7b0008b12a7aa1de6ed
Author: Mike Gorse <mgorse novell com>
Date:   Fri Feb 4 13:44:46 2011 -0600

    Fix atspi_selection_get_selected_child

 atspi/atspi-selection.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/atspi/atspi-selection.c b/atspi/atspi-selection.c
index 00cf73e..6b4e2aa 100644
--- a/atspi/atspi-selection.c
+++ b/atspi/atspi-selection.c
@@ -69,13 +69,15 @@ atspi_selection_get_selected_child (AtspiSelection *obj,
                                       gint selected_child_index, GError **error)
 {
   dbus_int32_t d_selected_child_index = selected_child_index;
-  AtspiAccessible *child = NULL;
+  DBusMessage *reply;
 
   g_return_val_if_fail (obj != NULL, NULL);
   
-  _atspi_dbus_call (obj, atspi_interface_selection, "GetSelectedChild", error, "i=>(so)", &d_selected_child_index, &child);
+  reply = _atspi_dbus_call_partial (obj, atspi_interface_selection,
+                                    "GetSelectedChild", error, "i",
+                                    d_selected_child_index);
 
-  return child;
+  return _atspi_dbus_return_accessible_from_message (reply);
 }
 
 /**