[empathy] tp-contact-list: add a comment

[Guillaume Desmottes <gdesmott src gnome org>]

commit 0664e133624ca7def05aa0f16b6e1a05669937a3
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Jul 6 15:49:08 2010 +0200

    tp-contact-list: add a comment

 libempathy/empathy-tp-contact-list.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libempathy/empathy-tp-contact-list.c b/libempathy/empathy-tp-contact-list.c
index a77bb10..263c379 100644
--- a/libempathy/empathy-tp-contact-list.c
+++ b/libempathy/empathy-tp-contact-list.c
@@ -242,6 +242,7 @@ tp_contact_list_group_ready_cb (TpChannel *channel,
 		g_object_unref (old_group);
 	}
 
+	/* Pass the reference on the TpChannel to priv->groups */
 	g_hash_table_insert (priv->groups, (gpointer) group_name, channel);
 	DEBUG ("Group %s added", group_name);