[Qt] Unreviewed gardening. Rebase js tests after r154127.

Patch by Tamas Czene <tczene@inf.u-szeged.hu> on 2013-08-16

* platform/qt/fast/js/constructor-length-expected.txt:
* platform/qt/fast/js/global-constructors-attributes-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154179 268f45cc-cd09-0410-ab3c-d52691b4dbfc