[folks] Add NEWS entry for the WebServiceDetails interface.

[Travis Reitter <treitter src gnome org>]

commit 4d4bace24f49e44648f61792ebacc87107d55c93
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Tue Apr 12 00:46:55 2011 -0700

    Add NEWS entry for the WebServiceDetails interface.

 NEWS |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index aa74578..2a95e94 100644
--- a/NEWS
+++ b/NEWS
@@ -40,6 +40,8 @@ API changes:
 * Add public primary_store to IndividualAggregator
 * Add LocalIdDetails interface for linking Personas based on local address book
   IDs (such as for the Tracker backend Personas)
+* Add WebServiceDetails interface for linking Personas based on web service
+  accounts (such as for the libsocialweb backend Personas)
 
 Overview of changes from libfolks 0.3.6 to libfolks 0.4.0
 =========================================================