Convert test from UTF-16 to UTF-8

Rubber stamped by James Robinson.

* fast/dom/34176.html: Convert from little endian UTF-16 to UTF-8
to make git diff happy.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146927 268f45cc-cd09-0410-ab3c-d52691b4dbfc