--- a/src/devices/wifi/wifi-mode.h	Mon May 26 20:44:19 2008 -0700
+++ b/src/devices/wifi/wifi-mode.h	Mon May 26 20:48:54 2008 -0700
@@ -122,7 +122,7 @@
  * \brief hold objects of type ns3::WifiMode
  */
 
-ATTRIBUTE_HELPER_HEADER_2 (WifiMode);
+ATTRIBUTE_HELPER_HEADER (WifiMode);
 
 /**
  * \brief create WifiMode class instances and keep track of them.