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 1996 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
*** 28,39 ****
  /*        All Rights Reserved   */
  
  #ifndef _SYS_STATFS_H
  #define _SYS_STATFS_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  /*
--- 30,39 ----
*** 69,79 ****
          char    f_fpack[6];
  };
  
  #endif  /* _SYSCALL32 */
  
! #if defined(__STDC__) && !defined(_KERNEL)
  int statfs(const char *, struct statfs *, int, int);
  int fstatfs(int, struct statfs *, int, int);
  #endif
  
  #ifdef  __cplusplus
--- 69,79 ----
          char    f_fpack[6];
  };
  
  #endif  /* _SYSCALL32 */
  
! #if !defined(_KERNEL)
  int statfs(const char *, struct statfs *, int, int);
  int fstatfs(int, struct statfs *, int, int);
  #endif
  
  #ifdef  __cplusplus