fixing more warnings

Author: tenderlove

lib/facebooker/adapters/adapter_base.rb

@@ -26,6 +26,7 @@ def is_for?(application_context)
 
     def initialize(config)
       @config = config
+      @facebook_path_prefix = nil
     end
 
     def  self.facebooker_config

lib/facebooker/models/user.rb

@@ -26,6 +26,7 @@ class Status
     # id, session, (optional) attribute_hash
     # attribute_hash
     def initialize(*args)
+      @friends = nil
       if (args.first.kind_of?(String) || args.first.kind_of?(Integer)) && args.size==1
         self.uid = args.shift
         @session = Session.current