remove support for non-ANSI compilation

*** 17,58 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
  
  #ifndef _WAIT_H
  #define _WAIT_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.1   */
- 
  #include <sys/types.h>
  #include <sys/siginfo.h>
  #include <sys/procset.h>
  #include <sys/wait.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
- #if defined(__STDC__)
- 
  extern pid_t wait(int *);
  extern pid_t waitpid(pid_t, int *, int);
  extern int waitid(idtype_t, id_t, siginfo_t *, int);
  
- #else
- 
- extern pid_t wait();
- extern pid_t waitpid();
- extern int waitid();
- 
- #endif
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _WAIT_H */
--- 17,49 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  */
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
  
  #ifndef _WAIT_H
  #define _WAIT_H
  
  #include <sys/types.h>
  #include <sys/siginfo.h>
  #include <sys/procset.h>
  #include <sys/wait.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  extern pid_t wait(int *);
  extern pid_t waitpid(pid_t, int *, int);
  extern int waitid(idtype_t, id_t, siginfo_t *, int);
  
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _WAIT_H */