diff --git a/mozilla/netwerk/base/src/nsSocketTransportService2.h b/mozilla/netwerk/base/src/nsSocketTransportService2.h
index 938603020b1..2712260918e 100644
--- a/mozilla/netwerk/base/src/nsSocketTransportService2.h
+++ b/mozilla/netwerk/base/src/nsSocketTransportService2.h
@@ -177,6 +177,8 @@ private:
         struct SocketEvent    *mNext;
     };
 
+    struct SocketEventQ;
+    friend struct SocketEventQ;
     struct SocketEventQ
     {
         SocketEventQ() : mHead(nsnull), mTail(nsnull) {}