Fix problem in attr() deprecation warning when arguments.callee.caller is null.  Fixes #11203, refs #10839 !strict.
Fix problem in attr() deprecation warning when arguments.callee.caller is null.  Fixes #11203, refs #10839 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@22237 560b804f-0ae3-0310-86f3-f6aa0a117693

Sam-Cummins/delite,Sam-Cummins/delite,kitsonk/delite,harbalk/delite,kitsonk/delite,harbalk/delite