DumpRenderTree should put NSSound calls inside USE(APPKIT)
https://bugs.webkit.org/show_bug.cgi?id=108499

Reviewed by Andy Estes.

* DumpRenderTree/mac/DumpRenderTree.mm:
(dumpRenderTree):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141491 268f45cc-cd09-0410-ab3c-d52691b4dbfc