Fixed that #reload raises a Stack too deep error with ruby 2.0.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11497 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/user.rb

@@ -128,10 +128,11 @@ class User < Principal
     end
   end
 
+  alias :base_reload :reload
   def reload(*args)
     @name = nil
     @projects_by_role = nil
-    super
+    base_reload(*args)
   end
 
   def mail=(arg)