From 8a2eeb978059239be0e9c8cdb99c199cc3d5d254 Mon Sep 17 00:00:00 2001
From: "rods%netscape.com"
 <rods%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Mon, 28 Jun 1999 22:03:15 +0000
Subject: [PATCH] Added nsISupports to QueryInterface

git-svn-id: svn://10.0.0.236/trunk@37247 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/widget/src/xpwidgets/nsXIFFormatConverter.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mozilla/widget/src/xpwidgets/nsXIFFormatConverter.cpp b/mozilla/widget/src/xpwidgets/nsXIFFormatConverter.cpp
index 6dceed18edc..968022c5718 100644
--- a/mozilla/widget/src/xpwidgets/nsXIFFormatConverter.cpp
+++ b/mozilla/widget/src/xpwidgets/nsXIFFormatConverter.cpp
@@ -45,6 +45,7 @@
 #include "nsXIFFormatConverter.h"
 
 static NS_DEFINE_IID(kIXIFFormatConverterIID,  NS_IFORMATCONVERTER_IID);
+static NS_DEFINE_IID(kISupportsIID,  NS_ISUPPORTS_IID);
 //static NS_DEFINE_IID(kCXIFConverterCID,  NS_XIFCONVERTER_CID);
 
 static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
@@ -93,6 +94,13 @@ nsresult nsXIFFormatConverter::QueryInterface(const nsIID& aIID, void** aInstanc
     return NS_OK;
   }
 
+  if (aIID.Equals(kISupportsIID)) {                                      
+    *aInstancePtr = (void*)(nsISupports*)this;                        
+    NS_ADDREF_THIS();                                                    
+    return NS_OK;                                                        
+  }
+
+
   return rv;
 }