Fix getToOutputStream to call with the right number of parameters

git-svn-id: svn://10.0.0.236/trunk@167176 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/webdav/tests/davshell.js

@@ -243,7 +243,7 @@ function GET(url, filename)
 
     buffered.init(outstream, 64 * 1024);
     davSvc.getToOutputStream(new Resource(url), buffered,
-                             new OperationListener());
+                             new OperationListener(), null);
     runEventPump();
 }