From f6bb1e66ba4d5a2bf8450fe674c64630addb1627 Mon Sep 17 00:00:00 2001
From: Georg Koppen <gk@torproject.org>
Date: Mon, 31 Jul 2017 11:07:12 +0000
Subject: [PATCH] Don't break accessibility support for Windows

This fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1372959
---
 ipc/mscom/Interceptor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/mscom/Interceptor.h b/ipc/mscom/Interceptor.h
index ecddbddf57694..88acdf6650a80 100644
--- a/ipc/mscom/Interceptor.h
+++ b/ipc/mscom/Interceptor.h
@@ -112,7 +112,7 @@ CreateInterceptor(STAUniquePtr<InterfaceT> aTargetInterface,
     return E_INVALIDARG;
   }
 
-  REFIID iidTarget = __uuidof(aTargetInterface);
+  REFIID iidTarget = __uuidof(InterfaceT);
 
   STAUniquePtr<IUnknown> targetUnknown(aTargetInterface.release());
   return Interceptor::Create(Move(targetUnknown), aEventSink, iidTarget,
-- 
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