api remove hangup_on_client

Signed-off-by: Andy Green <andy.green@linaro.org>
diff --git a/changelog b/changelog
index cd789c3..19db24a 100644
--- a/changelog
+++ b/changelog
@@ -78,6 +78,10 @@
  	and have been removed.  There's a new header management scheme that
 	handles them in a much more compact way.
 
+ - libwebsockets_hangup_on_client() is removed.  If you want to close the
+ 	connection you must do so from the user callback and by returning
+	-1 from there.
+
 
 New features
 ------------