[glib] gmain: Add Since: 2.28 tag to g_source_{add, remove}_child_source

[Javier Jardón <jjardon src gnome org>]

commit beec9743eba6013229befafdfe120cd7701d5214
Author: Damien Lespiau <damien lespiau intel com>
Date:   Tue Nov 30 23:04:17 2010 +0000

    gmain: Add Since: 2.28 tag to g_source_{add,remove}_child_source
    
    New API should have gtk-doc tags to document the version it was
    introduced.
    
    Signed-off-by: Javier Jardón <jjardon gnome org>

 glib/gmain.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/glib/gmain.c b/glib/gmain.c
index b026067..d0e7f17 100644
--- a/glib/gmain.c
+++ b/glib/gmain.c
@@ -1194,6 +1194,8 @@ g_source_remove_poll (GSource *source,
  *
  * @source will hold a reference on @child_source while @child_source
  * is attached to it.
+ *
+ * Since: 2.28
  **/
 void
 g_source_add_child_source (GSource *source,
@@ -1237,6 +1239,8 @@ g_source_add_child_source (GSource *source,
  *     g_source_add_child_source().
  *
  * Detaches @child_source from @source and destroys it.
+ *
+ * Since: 2.28
  **/
 void
 g_source_remove_child_source (GSource *source,