[mutter] window-x11: Fix typo

[Florian Müllner <fmuellner src gnome org>]

commit feb9d129db57d3578a7561636c287dbd44507b63
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Jun 24 17:35:25 2019 +0200

    window-x11: Fix typo

 src/x11/window-x11.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index b1d115160..80fd6e91d 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -888,7 +888,7 @@ meta_window_x11_focus (MetaWindow *window,
                * the window responds to WM_TAKE_FOCUS, but if we're unmanaging
                * the current focus window we *need* to move the focus away, so
                * we focus the no focus window before sending WM_TAKE_FOCUS,
-               * and eventually the default focus windwo excluding this one,
+               * and eventually the default focus window excluding this one,
                * if meanwhile we don't get any focus request.
                */
               if (window->display->focus_window != NULL &&