[gtk+/gdk-backend] Move gdk_add_client_message_filter to common code

[Matthias Clasen <matthiasc src gnome org>]

commit b2eb0564fe5d68b25d35ba1b81a6667e7bf54605
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 8 23:52:26 2010 -0500

    Move gdk_add_client_message_filter to common code

 gdk/quartz/gdkevents-quartz.c |    8 --------
 gdk/win32/gdkevents-win32.c   |    9 ---------
 2 files changed, 0 insertions(+), 17 deletions(-)
---
diff --git a/gdk/quartz/gdkevents-quartz.c b/gdk/quartz/gdkevents-quartz.c
index 44f10cb..ba0d5f0 100644
--- a/gdk/quartz/gdkevents-quartz.c
+++ b/gdk/quartz/gdkevents-quartz.c
@@ -1418,14 +1418,6 @@ gdk_display_add_client_message_filter (GdkDisplay   *display,
 }
 
 void
-gdk_add_client_message_filter (GdkAtom       message_type,
-			       GdkFilterFunc func,
-			       gpointer      data)
-{
-  /* Not supported. */
-}
-
-void
 gdk_display_sync (GdkDisplay *display)
 {
   /* Not supported. */
diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index e29df55..78d6cbe 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -568,15 +568,6 @@ gdk_display_add_client_message_filter (GdkDisplay   *display,
 				       GdkFilterFunc func,
 				       gpointer      data)
 {
-  /* XXX */
-  gdk_add_client_message_filter (message_type, func, data);
-}
-
-void
-gdk_add_client_message_filter (GdkAtom       message_type,
-			       GdkFilterFunc func,
-			       gpointer      data)
-{
   GdkClientFilter *filter = g_new (GdkClientFilter, 1);
 
   filter->type = message_type;