[folks] Update old doc link to PresenceOwner.

[Travis Reitter <treitter src gnome org>]

commit 34a5c1c8a7aa2d167430c7ac8d867ec629beda5a
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Mon Jan 31 09:49:06 2011 -0800

    Update old doc link to PresenceOwner.

 folks/imable.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/folks/imable.vala b/folks/imable.vala
index b54f88f..e7ef5cc 100644
--- a/folks/imable.vala
+++ b/folks/imable.vala
@@ -32,7 +32,7 @@ public errordomain Folks.IMableError
 }
 
 /**
- * IM addresses exposed by an object implementing { link HasPresence}.
+ * IM addresses exposed by an object implementing { link PresenceOwner}.
  *
  * @since 0.1.13
  */