Add "me" value for logged users only.

git-svn-id: http://svn.redmine.org/redmine/trunk@16193 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/field_format.rb

@@ -812,7 +812,11 @@ module Redmine
       end
 
       def query_filter_values(*args)
-        [["<< #{l(:label_me)} >>", "me"]] + super
+        values = []
+        if User.current.logged?
+          values << ["<< #{l(:label_me)} >>", "me"]
+        end
+        values + super
       end
     end