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