- fixed a couple of storage leaks noticed by the buildbot

        * html/HTMLOptGroupElement.cpp: (WebCore::HTMLOptGroupElement::attach):
        Call deref on the style after calling setRenderStyle, since styleForRenderer
        returns us a "ref'd" RenderStyle object.
        * html/HTMLOptionElement.cpp: (WebCore::HTMLOptionElement::attach): Ditto.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@15216 268f45cc-cd09-0410-ab3c-d52691b4dbfc