remove support for non-ANSI compilation

*** 21,30 ****
--- 21,32 ----
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
   * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
*** 43,57 ****
  typedef struct
  {
          int     a_type;
          union {
                  long    a_val;
- #ifdef __STDC__
                  void    *a_ptr;
- #else
-                 char    *a_ptr;
- #endif
                  void    (*a_fcn)();
          } a_un;
  } auxv_t;
  
  #if defined(_SYSCALL32)
--- 45,55 ----