[aravis] Minor comment.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit f85a2663c9b7bdd45a386e96f0a98ba115d9b7c5
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Mon Jun 4 22:38:58 2012 +0200

    Minor comment.

 src/arvgcenumeration.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/arvgcenumeration.c b/src/arvgcenumeration.c
index 4fda970..f444adb 100644
--- a/src/arvgcenumeration.c
+++ b/src/arvgcenumeration.c
@@ -362,6 +362,8 @@ arv_gc_enumeration_class_init (ArvGcEnumerationClass *this_class)
 	gc_feature_node_class->get_value_as_string = arv_gc_enumeration_get_value_as_string;
 }
 
+/* ArvGcInteger interface implementation */
+
 static gint64
 arv_gc_enumeration_get_integer_value (ArvGcInteger *gc_integer, GError **error)
 {