Fixing borked VS 2010 project file

Unreviewed bot greening.

* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj:
* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj.filters:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147335 268f45cc-cd09-0410-ab3c-d52691b4dbfc