[at-spi2-core] Fix a memory leak when emitting some signals from the registry

[Mike Gorse <mgorse src gnome org>]

commit ff8c6089c90e53b5b130131cb5c915fdfa3a91e9
Author: Mike Gorse <mgorse novell com>
Date:   Sat Jan 8 06:15:45 2011 -0600

    Fix a memory leak when emitting some signals from the registry

 registryd/deviceeventcontroller.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/registryd/deviceeventcontroller.c b/registryd/deviceeventcontroller.c
index b5a8e58..3e82469 100644
--- a/registryd/deviceeventcontroller.c
+++ b/registryd/deviceeventcontroller.c
@@ -421,6 +421,7 @@ static void emit(SpiDEController *controller, const char *interface, const char
   dbus_message_iter_close_container (&iter, &iter_struct);
 
   dbus_connection_send (controller->bus, signal, NULL);
+  dbus_message_unref (signal);
 }
 
 static gboolean