[folks] Document the params for normalise_im_address().

[Travis Reitter <treitter src gnome org>]

commit 8793b2098e895b96f458325511710adcaf1f0f09
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Tue Oct 19 12:23:49 2010 -0700

    Document the params for normalise_im_address().

 folks/imable.vala |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/folks/imable.vala b/folks/imable.vala
index 8a2149e..1215f10 100644
--- a/folks/imable.vala
+++ b/folks/imable.vala
@@ -60,6 +60,9 @@ public interface Folks.IMable : Object
    * only one of which is canonical. In order to allow simple string comparisons
    * of IM addresses to work, the IM addresses must be normalised beforehand.
    *
+   * @param im_address the address to normalise
+   * @param protocol the protocol of this im_address
+   *
    * @since 0.2.0
    */
   public static string normalise_im_address (string im_address, string protocol)