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 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_MNTTAB_H
*** 81,106 ****
          size_t  mbuf_bufsize;
          char    *mbuf_buf;
  };
  
  #if !defined(_KERNEL)
- #ifdef __STDC__
  extern void     resetmnttab(FILE *);
  extern int      getmntent(FILE *, struct mnttab *);
  extern int      getextmntent(FILE *, struct extmnttab *, size_t);
  extern int      getmntany(FILE *, struct mnttab *, struct mnttab *);
  extern char     *hasmntopt(struct mnttab *, char *);
  extern char     *mntopt(char **);
- #else
- extern void     resetmnttab();
- extern int      getmntent();
- extern int      getextmntent();
- extern int      getmntany();
- extern char     *hasmntopt();
- extern char     *mntopt();
  #endif
- #endif
  
  #ifdef  __cplusplus
  }
  #endif
  
--- 83,99 ----