[e] (0) Used the wrong variable in the worker's environment settings objects
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=27144
Affected topics: DOM APIs, Workers

git-svn-id: https://svn.whatwg.org/webapps@8860 340c8d12-0b0e-0410-8428-c7bf67bfef74