core: remove cdefs include from queue.h

compatibility issue - seems to only exist to ensure NULL is defined
properly; but at the point in which we include the queue.h, NULL most
certainly exists.

1 files changed, 0 insertions, 2 deletions

diff --git a/queue.h b/queue.h
index dc2a845..59d8a45 100644
--- a/queue.h
+++ b/queue.h
@@ -37,8 +37,6 @@
 #ifndef _SYS_QUEUE_H_
 #define	_SYS_QUEUE_H_
 
-#include <sys/cdefs.h>
-
 /*
  * This file defines four types of data structures: singly-linked lists,
  * singly-linked tail queues, lists and tail queues.