Bug 616591 followup to fix a comment., a=DONTBUILD

netwerk/protocol/http/nsHttpPipeline.cpp

@@ -534,7 +534,9 @@ nsHttpPipeline::Close(nsresult reason)
         mResponseQ.Clear();
     }
 
-    // we must no longer reference the connection!
+    // we must no longer reference the connection!  This needs to come
+    // after we've closed all our transactions, since they might want
+    // connection info as they close.
     NS_IF_RELEASE(mConnection);
 }