[mutter] MetaSurfaceActorWayland: clean up var assigned to self

[Jonas Ådahl <jadahl src gnome org>]

commit b5e797f453bb31dcf95cbc66337321831785b7aa
Author: Thomas Hindoe Paaboel Andersen <phomes gmail com>
Date:   Thu Jul 21 21:23:06 2016 +0200

    MetaSurfaceActorWayland: clean up var assigned to self
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769054

 src/wayland/meta-wayland-surface.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index dd8484d..210f771 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -563,8 +563,7 @@ parent_surface_state_applied (gpointer data, gpointer user_data)
       MetaWaylandSurface *parent = surface->sub.parent;
       ClutterActor *parent_actor =
         clutter_actor_get_parent (CLUTTER_ACTOR (parent->surface_actor));
-      ClutterActor *surface_actor =
-        surface_actor = CLUTTER_ACTOR (surface->surface_actor);
+      ClutterActor *surface_actor = CLUTTER_ACTOR (surface->surface_actor);
 
       for (it = surface->sub.pending_placement_ops; it; it = it->next)
         {