--- mozilla/js/src/jsprvtd.h.orig	2012-08-25 02:31:13.000000000 +0200
+++ mozilla/js/src/jsprvtd.h	2012-09-06 17:14:09.000000000 +0200
@@ -149,9 +149,9 @@
 class UpvarCookie;
 
 class Proxy;
-class BaseProxyHandler;
-class DirectWrapper;
-class CrossCompartmentWrapper;
+class JS_FRIEND_API(BaseProxyHandler);
+class JS_FRIEND_API(DirectWrapper);
+class JS_FRIEND_API(CrossCompartmentWrapper);
 
 class TempAllocPolicy;
 class RuntimeAllocPolicy;