remove support for non-ANSI compilation

*** 18,27 ****
--- 18,29 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
*** 29,40 ****
   */
  
  #ifndef _WORDEXP_H
  #define _WORDEXP_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/feature_tests.h>
  #include <sys/types.h>
  
  #ifdef  __cplusplus
  extern "C" {
--- 31,40 ----
*** 68,84 ****
  #define WRDE_CMDSUB     (5)             /* prohibited $() */
  #define WRDE_NOSPACE    (6)             /* no memory */
  #define WRDE_SYNTAX     (7)             /* bad syntax */
  #define WRDE_NOSYS      (8)             /* function not supported (XPG4) */
  
- #ifdef __STDC__
  extern int wordexp(const char *_RESTRICT_KYWD, wordexp_t *_RESTRICT_KYWD, int);
  extern void wordfree(wordexp_t *);
- #else
- extern int wordexp();
- extern void wordfree();
- #endif
  
  #ifdef  __cplusplus
  }
  #endif
  
--- 68,79 ----