[folks] Add a note about LinkedHashSet pulling in libgee.

[Travis Reitter <treitter src gnome org>]

commit 6d04aa8c96c1950df93fffa9acd8b0006dfeef50
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Mon Jan 31 08:57:34 2011 -0800

    Add a note about LinkedHashSet pulling in libgee.

 NEWS |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index c7353d4..0a05924 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,8 @@ Overview of changes from libfolks 0.3.3 to libfolks 0.3.4
 
 Major changes:
 * Add folks-inspect tool
+* The use of the new LinkedHashSet type in the API may make libgee a requirement
+  for some clients (to take full advantage of its class lineage).
 
 API changes:
 * New type: LinkedHashSet, similar to Gee.HashSet, but ordered.