remove support for non-ANSI compilation

*** 22,31 ****
--- 22,33 ----
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_VA_LIST_H
*** 74,95 ****
  #define __va_alist_type long
  #else
  #define __va_alist_type int
  #endif
  
- #if defined(__STDC__) /* source language is ISO C or C++ */
- 
  #define __va_void(expr) ((void)expr)
  #define __va_ptr_base   void
  
- #else /* source language is K&R C */
- 
- #define __va_void(expr) expr
- #define __va_ptr_base   char
- 
- #endif /* __STDC__ */
- 
  #if defined(__BUILTIN_VA_STRUCT) && !defined(__lint)    /* -------- protocol */
  
  #if defined(__amd64)    /* processor */
  
  typedef struct __va_list_element {
--- 76,88 ----