Unreviewed. AppleWin VS2010 build fix.

* WebCore.vcxproj/WebCore.vcxproj:
* WebCore.vcxproj/WebCore.vcxproj.filters:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147266 268f45cc-cd09-0410-ab3c-d52691b4dbfc