Reviewed by Hyatt.

    Reviewed by Hyatt.

	- link against libWebKitSystemInterface and use the first function in it.

        * Misc.subproj/WebNSUserDefaultsExtras.m:
        (-[NSString _webkit_HTTPStyleLanguageCode]): use WKCopyCFLocalizationPreferredName
        * Plugins.subproj/WebBasePluginPackage.m:
        (+[WebBasePluginPackage preferredLocalizationName]): ditto
        * WebKit.pbproj/project.pbxproj: link in libWebKitSystemInterface.a and find headers.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9275 268f45cc-cd09-0410-ab3c-d52691b4dbfc