[at-spi2-core] Return ChildCount property as a variant, per DBus spec

[Mike Gorse <mgorse src gnome org>]

commit 9c871393ee7418c174780b747ec24b0ac75dee7c
Author: Mike Gorse <mgorse novell com>
Date:   Thu Dec 2 15:39:07 2010 -0500

    Return ChildCount property as a variant, per DBus spec

 registryd/registry.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/registryd/registry.c b/registryd/registry.c
index d3e0652..6a5f4d9 100644
--- a/registryd/registry.c
+++ b/registryd/registry.c
@@ -590,8 +590,15 @@ impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
 {
   SpiRegistry *reg = SPI_REGISTRY (user_data);
   dbus_int32_t rv = reg->apps->len;
+  dbus_bool_t result;
+  DBusMessageIter iter_variant;
 
-  return dbus_message_iter_append_basic (iter, DBUS_TYPE_INT32, &rv);
+  if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
+                                         &iter_variant))
+    return FALSE;
+  result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
+  dbus_message_iter_close_container (iter, &iter_variant);
+  return result;
 }
 
 static DBusMessage *