remove support for non-ANSI compilation

@@ -21,10 +21,12 @@
 
 /*
  *      Copyright (c) 1988 AT&T
  *        All Rights Reserved
  *
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #ifndef _SYS_LINK_H
 #define _SYS_LINK_H

@@ -620,19 +622,14 @@
 #define EB_MAX_SIZE64   128             /* size in bytes, _LP64 */
 
 
 #ifndef _ASM
 
-#ifdef __STDC__
-
 /*
  * Concurrency communication structure for libc callbacks.
  */
 extern void     _ld_libc(void *);
-#else /* __STDC__ */
-extern void     _ld_libc();
-#endif /* __STDC__ */
 
 #pragma unknown_control_flow(_ld_libc)
 #endif /* _ASM */
 
 #ifdef  __cplusplus