Silence new gcc warnings

gcc 4.6.0 has started to warn about set-but-unused variables.
So don't do that, then.

gdk/x11/gdkcursor-x11.c

@@ -429,7 +429,7 @@ update_cursor (gpointer data,
 
   if (!cursor)
     return;
-  
+
   _gdk_x11_cursor_update_theme (cursor);
 }
 
@@ -437,18 +437,18 @@ update_cursor (gpointer data,
  * gdk_x11_display_set_cursor_theme:
  * @display: a #GdkDisplay
  * @theme: the name of the cursor theme to use, or %NULL to unset
- *         a previously set value 
+ *         a previously set value
  * @size: the cursor size to use, or 0 to keep the previous size
  *
  * Sets the cursor theme from which the images for cursor
- * should be taken. 
- * 
- * If the windowing system supports it, existing cursors created 
- * with gdk_cursor_new(), gdk_cursor_new_for_display() and 
- * gdk_cursor_new_for_name() are updated to reflect the theme 
+ * should be taken.
+ *
+ * If the windowing system supports it, existing cursors created
+ * with gdk_cursor_new(), gdk_cursor_new_for_display() and
+ * gdk_cursor_new_for_name() are updated to reflect the theme
  * change. Custom cursors constructed with
  * gdk_cursor_new_from_pixbuf() will have to be handled
- * by the application (GTK+ applications can learn about 
+ * by the application (GTK+ applications can learn about
  * cursor theme changes by listening for change notification
  * for the corresponding #GtkSetting).
  *
@@ -459,14 +459,12 @@ gdk_x11_display_set_cursor_theme (GdkDisplay  *display,
                                   const gchar *theme,
                                   const gint   size)
 {
-  GdkX11Display *display_x11;
   Display *xdisplay;
   gchar *old_theme;
   gint old_size;
 
   g_return_if_fail (GDK_IS_DISPLAY (display));
 
-  display_x11 = GDK_X11_DISPLAY (display);
   xdisplay = GDK_DISPLAY_XDISPLAY (display);
 
   old_theme = XcursorGetTheme (xdisplay);
@@ -482,13 +480,13 @@ gdk_x11_display_set_cursor_theme (GdkDisplay  *display,
   XcursorSetTheme (xdisplay, theme);
   if (size > 0)
     XcursorSetDefaultSize (xdisplay, size);
-    
+
   g_slist_foreach (cursor_cache, update_cursor, NULL);
 }
 
 #else
 
-static GdkPixbuf*  
+static GdkPixbuf*
 gdk_x11_cursor_get_image (GdkCursor *cursor)
 {
   return NULL;

gdk/x11/gdkdevice-xi.c

@@ -497,13 +497,11 @@ gdk_x11_device_xi_select_window_events (GdkDevice    *device,
                                         GdkEventMask  event_mask)
 {
   XEventClass event_classes[MAX_DEVICE_CLASSES];
-  GdkX11DeviceXI *device_xi;
   gint num_classes;
 
   event_mask |= (GDK_PROXIMITY_IN_MASK |
                  GDK_PROXIMITY_OUT_MASK);
 
-  device_xi = GDK_X11_DEVICE_XI (device);
   find_events (device, event_mask, event_classes, &num_classes);
 
   XSelectExtensionEvent (GDK_WINDOW_XDISPLAY (window),
@@ -590,14 +588,12 @@ _gdk_x11_device_xi_translate_axes (GdkDevice *device,
                                    gdouble   *x,
                                    gdouble   *y)
 {
-  GdkX11DeviceXI *device_xi;
   GdkWindow *impl_window;
   gdouble root_x, root_y;
   gdouble temp_x, temp_y;
   gint n_axes;
   gint i;
 
-  device_xi = GDK_X11_DEVICE_XI (device);
   impl_window = _gdk_window_get_impl_window (window);
   temp_x = temp_y = 0;
 

gdk/x11/gdkdevicemanager-core-x11.c

@@ -415,7 +415,6 @@ gdk_x11_device_manager_core_translate_event (GdkEventTranslator *translator,
 {
   GdkX11DeviceManagerCore *device_manager;
   GdkWindow *window;
-  GdkWindowImplX11 *window_impl = NULL;
   gboolean return_val;
   GdkToplevelX11 *toplevel = NULL;
   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
@@ -431,7 +430,6 @@ gdk_x11_device_manager_core_translate_event (GdkEventTranslator *translator,
         return FALSE;
 
       toplevel = _gdk_x11_window_get_toplevel (window);
-      window_impl = GDK_WINDOW_IMPL_X11 (window->impl);
       g_object_ref (window);
     }
 

gdk/x11/gdkdevicemanager-xi2.c

@@ -411,10 +411,8 @@ gdk_x11_device_manager_xi2_constructed (GObject *object)
   /* Initialize devices list */
   for (i = 0; i < ndevices; i++)
     {
-      GdkDevice *device;
-
       dev = &info[i];
-      device = add_device (device_manager, dev, FALSE);
+      add_device (device_manager, dev, FALSE);
 
       if (dev->use == XIMasterPointer ||
           dev->use == XIMasterKeyboard)
@@ -567,7 +565,6 @@ handle_hierarchy_changed (GdkX11DeviceManagerXI2 *device_manager,
 {
   GdkDisplay *display;
   Display *xdisplay;
-  GdkDevice *device;
   XIDeviceInfo *info;
   int ndevices;
   gint i;
@@ -580,7 +577,7 @@ handle_hierarchy_changed (GdkX11DeviceManagerXI2 *device_manager,
       if (ev->info[i].flags & XIDeviceEnabled)
         {
           info = XIQueryDevice (xdisplay, ev->info[i].deviceid, &ndevices);
-          device = add_device (device_manager, &info[0], TRUE);
+          add_device (device_manager, &info[0], TRUE);
           XIFreeDeviceInfo (info);
         }
       else if (ev->info[i].flags & XIDeviceDisabled)
@@ -870,18 +867,14 @@ translate_axes (GdkDevice       *device,
                 XIValuatorState *valuators)
 {
   guint n_axes, i;
-  gint width, height;
   gdouble *axes;
-  double *vals;
+  gdouble *vals;
 
   g_object_get (device, "n-axes", &n_axes, NULL);
 
   axes = g_new0 (gdouble, n_axes);
   vals = valuators->values;
 
-  width = gdk_window_get_width (window);
-  height = gdk_window_get_height (window);
-
   for (i = 0; i < valuators->mask_len * 8; i++)
     {
       GdkAxisUse use;

gdk/x11/gdkgeometry-x11.c

@@ -272,7 +272,6 @@ _gdk_x11_window_translate (GdkWindow      *window,
   GC xgc;
   GdkRectangle extents;
   GdkWindow *parent;
-  int px, py;
 
   /* We need to get data from subwindows here, because we might have
    * shaped a native window over the moving region (with bg none,
@@ -281,7 +280,6 @@ _gdk_x11_window_translate (GdkWindow      *window,
    * so we copy from the toplevel with INCLUDE_INFERIORS.
    */
   parent = window;
-  px = py = 0;
   while (parent->parent != NULL &&
          parent->parent->window_type != GDK_WINDOW_ROOT)
     {