chat: there is no naming.util anymore. Util methods are in naming (to match Go API)

MultiPart: 3/4
Change-Id: Id19ba26cb60223fee9369bc7391406df43fd1e86
diff --git a/clients/web/js/channel.js b/clients/web/js/channel.js
index d069336..61ea044 100644
--- a/clients/web/js/channel.js
+++ b/clients/web/js/channel.js
@@ -255,7 +255,7 @@
     // (e.g., @4@...@@/foo/bar).
     // This won't be the case for the chat application, but can be in general?
     var addr = mountEntry.servers[0].server;
-    var blessings = naming.util.blessingNamesFromAddress(addr);
+    var blessings = naming.blessingNamesFromAddress(addr);
     var path = mountEntry.name;
 
     newMembers.push(new Member(blessings, path));