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.

diff --git a/gdk/x11/gdkasync.c b/gdk/x11/gdkasync.c
index 04f78a95646f587a69cda7a7be594574bd33159c..328be083768cca28021c2c365eb9e89feab2cfa5 100644 (file)
--- 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;