[glib] GSList: Note that using ->next directly is OK

[Daniel Boles <dboles src gnome org>]

commit f6aa8c398868907bb68ab39c61d943bcde76e284
Author: Daniel Boles <dboles src gnome org>
Date:   Mon Aug 7 20:39:06 2017 +0100

    GSList: Note that using ->next directly is OK
    
    as for GList

 glib/gslist.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glib/gslist.c b/glib/gslist.c
index d85b425..518ee08 100644
--- a/glib/gslist.c
+++ b/glib/gslist.c
@@ -95,6 +95,8 @@
  * @slist: an element in a #GSList.
  *
  * A convenience macro to get the next element in a #GSList.
+ * Note that it is considered perfectly acceptable to access
+ * @slist->next directly.
  *
  * Returns: the next element, or %NULL if there are no more elements.
  **/