--- Libc/Libc-498/sys/sem_open.c
+++ Libc/Libc-583/sys/sem_open.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999, 2009 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -20,6 +20,8 @@
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
+
+#include <sys/cdefs.h>
 
 #ifdef __APPLE_PR3375657_HACK__