[gtk+] x11: Mark unused variables as such

[Benjamin Otte <otte src gnome org>]

commit 6861bb8efc5dce4824b02bb077637fc8c12dbe54
Author: Benjamin Otte <otte redhat com>
Date:   Thu Mar 1 05:16:04 2012 +0100

    x11: Mark unused variables as such
    
    We cannot get rid of the variables because they are assigned in a macro
    inside Xlib. And this causes a warning in the xlib from Fedora 17
    onwards.

 gdk/x11/gdkasync.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/x11/gdkasync.c b/gdk/x11/gdkasync.c
index 04f78a9..328be08 100644
--- a/gdk/x11/gdkasync.c
+++ b/gdk/x11/gdkasync.c
@@ -276,7 +276,7 @@ _gdk_x11_send_client_message_async (GdkDisplay           *display,
    * XSync (dpy, 0)
    */
   {
-    xReq *req;
+    G_GNUC_UNUSED xReq *req;
     
     GetEmptyReq(GetInputFocus, req);
     state->get_input_focus_req = dpy->request;
@@ -739,7 +739,7 @@ _gdk_x11_roundtrip_async (GdkDisplay           *display,
    * XSync (dpy, 0)
    */
   {
-    xReq *req;
+    G_GNUC_UNUSED xReq *req;
     
     GetEmptyReq(GetInputFocus, req);
     state->get_input_focus_req = dpy->request;