[libgee] Add missing method documentation comment

[Didier 'Ptitjes' Villevalois <dvillevalois src gnome org>]

commit 9d4b0f3cbda75033c9c7bd0fdac2ca0f5f406dbc
Author: Didier 'Ptitjes <ptitjes free fr>
Date:   Sun Jul 19 15:53:57 2009 +0200

    Add missing method documentation comment
    
    Signed-off-by: Didier 'Ptitjes <ptitjes free fr>

 gee/iterable.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gee/iterable.vala b/gee/iterable.vala
index ca13109..a966236 100644
--- a/gee/iterable.vala
+++ b/gee/iterable.vala
@@ -27,6 +27,11 @@ using GLib;
  * collection.
  */
 public interface Gee.Iterable<G> : GLib.Object {
+	/**
+	 * Returns the type of the elements contained in this collection.
+	 *
+	 * @return the type of the elements contained in this collection
+	 */
 	public abstract Type get_element_type ();
 
 	/**