[glib] Add some more since tags

[Matthias Clasen <matthiasc src gnome org>]

commit f40de4b15201eaf6936e7d82eeeb3c044067be7c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Dec 10 22:14:34 2011 -0500

    Add some more since tags

 gio/gmenu.c      |    8 ++++++--
 gio/gmenumodel.c |   12 +++++++++---
 2 files changed, 15 insertions(+), 5 deletions(-)
---
diff --git a/gio/gmenu.c b/gio/gmenu.c
index d98c753..d012595 100644
--- a/gio/gmenu.c
+++ b/gio/gmenu.c
@@ -48,14 +48,18 @@
  *
  * #GMenu is an opaque structure type.  You must access it using the
  * functions below.
- **/
+ *
+ * Since: 2.32
+ */
 
 /**
  * GMenuItem:
  *
  * #GMenuItem is an opaque structure type.  You must access it using the
  * functions below.
- **/
+ *
+ * Since: 2.32
+ */
 
 struct _GMenuItem
 {
diff --git a/gio/gmenumodel.c b/gio/gmenumodel.c
index 8d97b95..e548d94 100644
--- a/gio/gmenumodel.c
+++ b/gio/gmenumodel.c
@@ -154,21 +154,27 @@
  *
  * #GMenuModel is an opaque structure type.  You must access it using the
  * functions below.
- **/
+ *
+ * Since: 2.32
+ */
 
 /**
  * GMenuAttributeIter:
  *
  * #GMenuAttributeIter is an opaque structure type.  You must access it
  * using the functions below.
- **/
+ *
+ * Since: 2.32
+ */
 
 /**
  * GMenuLinkIter:
  *
  * #GMenuLinkIter is an opaque structure type.  You must access it using
  * the functions below.
- **/
+ *
+ * Since: 2.32
+ */
 
 typedef struct
 {