[mutter] util: Fix memory leak in meta_later_remove

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

commit 7f9472a58fe9605a63c0da37abe29f3c07ad54a9
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Oct 21 15:34:43 2011 -0400

    util: Fix memory leak in meta_later_remove
    
    We never destroy the later list that's added by meta_later_add.
    
    ==4289== 16 bytes in 1 blocks are definitely lost in loss record 1,632 of 7,258
    ==4289==    at 0x4C2640D: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
    ==4289==    by 0x5178D9F: standard_malloc (gmem.c:88)
    ==4289==    by 0x5178E37: g_malloc (gmem.c:164)
    ==4289==    by 0x51924B5: g_slice_alloc (gslice.c:842)
    ==4289==    by 0x5194521: g_slist_insert_sorted_real (gslist.c:900)
    ==4289==    by 0x519465A: g_slist_insert_sorted (gslist.c:957)
    ==4289==    by 0x4EA609A: meta_later_add (util.c:876)
    ==4289==    by 0x4E9C330: meta_screen_queue_workarea_recalc (screen.c:2640)
    ==4289==    by 0x4E9A360: update_num_workspaces (screen.c:1646)
    ==4289==    by 0x4E99026: meta_screen_new (screen.c:924)
    ==4289==    by 0x4E7AB51: meta_display_open (display.c:803)
    ==4289==    by 0x4E9168E: meta_run (main.c:552)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642652

 src/core/util.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/core/util.c b/src/core/util.c
index 2d6a289..298a45c 100644
--- a/src/core/util.c
+++ b/src/core/util.c
@@ -916,7 +916,7 @@ meta_later_remove (guint later_id)
       MetaLater *later = l->data;
       if (later->id == later_id)
         {
-          laters = g_slist_remove_link (laters, l);
+          laters = g_slist_delete_link (laters, l);
           /* If this was a "repaint func" later, we just let the
            * repaint func run and get removed
            */