[mutter] Fix build error introduced in the last commit

[Florian Müllner <fmuellner src gnome org>]

commit 7d8cc4f940780b5da2789d39d97b3f9ece4b588f
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Sep 15 03:14:52 2010 +0200

    Fix build error introduced in the last commit

 src/compositor/mutter-window.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/compositor/mutter-window.c b/src/compositor/mutter-window.c
index 13c9c45..299566e 100644
--- a/src/compositor/mutter-window.c
+++ b/src/compositor/mutter-window.c
@@ -737,7 +737,7 @@ const char *mutter_window_get_description (MutterWindow *self)
  * located.
  */
 gint
-mutter_window_get_workspace (MutterWindow *mcw)
+mutter_window_get_workspace (MutterWindow *self)
 {
   MutterWindowPrivate *priv;
   MetaWorkspace       *workspace;