[clutter/clutter-1.10] wayland: Only try and resize the framebuffer if there is a valid framebuffer

[Robert Bragg <rbragg src gnome org>]

commit fabf2ddf0f390d5ac21090e37ed4c96a1ac9d468
Author: Rob Bradford <rob linux intel com>
Date:   Tue Mar 20 13:31:28 2012 +0000

    wayland: Only try and resize the framebuffer if there is a valid framebuffer

 clutter/wayland/clutter-stage-wayland.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/clutter/wayland/clutter-stage-wayland.c b/clutter/wayland/clutter-stage-wayland.c
index 6b7a067..f5cb4f8 100644
--- a/clutter/wayland/clutter-stage-wayland.c
+++ b/clutter/wayland/clutter-stage-wayland.c
@@ -160,8 +160,11 @@ clutter_stage_wayland_resize (ClutterStageWindow *stage_window,
   ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
 
   /* Resize preserving top left */
-  cogl_wayland_onscreen_resize (stage_cogl->onscreen, width, height, 0, 0);
-  _clutter_stage_window_redraw (stage_window);
+  if (stage_cogl->onscreen)
+    {
+      cogl_wayland_onscreen_resize (stage_cogl->onscreen, width, height, 0, 0);
+      _clutter_stage_window_redraw (stage_window);
+    }
 }
 
 static void