[mutter/wayland] surface-actor: Prevent a dumb crash

[Jasper St. Pierre <jstpierre src gnome org>]

commit e30ed6892cc845aa9ba741680e2b274337a242ca
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Mar 25 17:00:43 2014 -0400

    surface-actor: Prevent a dumb crash
    
    is_argb32 can be called at any time, including times when we don't
    have a texture. In that case, just assume we're ARGB32. The value
    really shouldn't be important though.

 src/compositor/meta-surface-actor-wayland.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/compositor/meta-surface-actor-wayland.c b/src/compositor/meta-surface-actor-wayland.c
index bf9441b..3389b61 100644
--- a/src/compositor/meta-surface-actor-wayland.c
+++ b/src/compositor/meta-surface-actor-wayland.c
@@ -86,6 +86,11 @@ meta_surface_actor_wayland_is_argb32 (MetaSurfaceActor *actor)
   MetaShapedTexture *stex = meta_surface_actor_get_texture (actor);
   CoglTexture *texture = meta_shaped_texture_get_texture (stex);
 
+  /* If we don't have a texture, like during initialization, assume
+   * that we're ARGB32. */
+  if (!texture)
+    return TRUE;
+
   switch (cogl_texture_get_components (texture))
     {
     case COGL_TEXTURE_COMPONENTS_A: