Reviewed by Darin.

    Reviewed by Darin.

        fix for <rdar://problem/4004004> no need to add body element for xml documents

        In the fix for <rdar://problem/3758785> we decided to add a body element when closing a document
        to ensure that the onload handler would fire.  This is unnecessary for xml documents,
        so now we also check to see if we're dealing with an html document before adding the body element.

        * khtml/xml/dom_docimpl.cpp: (DocumentImpl::close):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8583 268f45cc-cd09-0410-ab3c-d52691b4dbfc