[EFL] Unreviewed build fix after r154192

* WebCoreSupport/DumpRenderTreeSupportEfl.cpp:
(DumpRenderTreeSupportEfl::evaluateScriptInIsolatedWorld):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154216 268f45cc-cd09-0410-ab3c-d52691b4dbfc