Fixed NewChannel to pass null for new originalURL argument.

xpcom/tests/PropertiesTest.cpp

@@ -141,7 +141,7 @@ main(int argc, char* argv[])
 
   nsIChannel *channel = nsnull;
   // XXX NECKO verb? loadgroup? getter?
-  ret = service->NewChannel("load", TEST_URL, nsnull, nsnull, nsnull, &channel);
+  ret = service->NewChannel("load", TEST_URL, nsnull, nsnull, nsnull, nsnull, &channel);
   if (NS_FAILED(ret)) return ret;
 
   nsIEventQueue *eventQ = nsnull;