[gtk+] docs: add missing docs for GtkAccelKey

[William Jon McCann <mccann src gnome org>]

commit 62d8baa2157a0bd35e69cca6b254a3129ee583b2
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Jan 20 19:28:32 2014 -0500

    docs: add missing docs for GtkAccelKey

 gtk/gtkaccelgroup.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkaccelgroup.h b/gtk/gtkaccelgroup.h
index 40d3cec..cda419b 100644
--- a/gtk/gtkaccelgroup.h
+++ b/gtk/gtkaccelgroup.h
@@ -114,6 +114,12 @@ struct _GtkAccelGroupClass
   void (*_gtk_reserved4) (void);
 };
 
+/**
+ * GtkAccelKey:
+ * @accel_key: The accelerator keyval
+ * @accel_mods:The accelerator modifiers
+ * @accel_flags: The accelerator flags
+ */
 struct _GtkAccelKey
 {
   guint           accel_key;