Reviewed by Steve Falkenburg.

* JavaScriptCore.vcproj/JavaScriptCore.make: Set BUILDSTYLE to Release_PGO at the very start
of the file so that ConfigurationBuildDir takes that into account. Also set it the right way
(by redefining the macro) rather than the wrong way (by modifying the environment variable).



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76650 268f45cc-cd09-0410-ab3c-d52691b4dbfc