[mousetweaks] Use new macro for boxed gtypes.

[Gerd Kohlberger <gerdk src gnome org>]

commit 7a5e53e40ec0201f78f5bd18e4c1031eccb05f73
Author: Gerd Kohlberger <gerdk src gnome org>
Date:   Fri Jun 3 09:19:13 2011 +0200

    Use new macro for boxed gtypes.

 src/mt-listener.c |   14 +-------------
 1 files changed, 1 insertions(+), 13 deletions(-)
---
diff --git a/src/mt-listener.c b/src/mt-listener.c
index dfbc464..1025450 100644
--- a/src/mt-listener.c
+++ b/src/mt-listener.c
@@ -102,19 +102,7 @@ mt_event_free (MtEvent *event)
     g_free (event);
 }
 
-GType
-mt_event_get_type (void)
-{
-    static GType event = 0;
-
-    if (G_UNLIKELY (event == 0))
-    {
-        event = g_boxed_type_register_static (g_intern_static_string ("MtEvent"),
-                                              (GBoxedCopyFunc) mt_event_copy,
-                                              (GBoxedFreeFunc) mt_event_free);
-    }
-    return event;
-}
+G_DEFINE_BOXED_TYPE (MtEvent, mt_event, mt_event_copy, mt_event_free)
 
 static void
 mt_listener_emit_button_event (MtListener *listener,