remove support for non-ANSI compilation

*** 18,39 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
- /*
-  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
-  */
  
- 
  #ifndef _LANGINFO_H
  #define _LANGINFO_H
  
  #include <sys/feature_tests.h>
  #include <nl_types.h>
--- 18,37 ----
   * 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.
   */
  
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
  
  #ifndef _LANGINFO_H
  #define _LANGINFO_H
  
  #include <sys/feature_tests.h>
  #include <nl_types.h>
*** 144,171 ****
  #endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
  
  /*
   * and the definitions of functions langinfo(3C)
   */
- #if defined(__STDC__)
  char   *nl_langinfo(nl_item);   /* get a string from the database       */
- #else
- char   *nl_langinfo();          /* get a string from the database       */
- #endif
  
  #if defined(_XPG7) || !defined(_STRICT_SYMBOLS)
  #ifndef _LOCALE_T
  #define _LOCALE_T
  typedef struct _locale *locale_t;
  #endif
  
- #if defined(__STDC__)
  char    *nl_langinfo_l(nl_item, locale_t);
- #else
- char    *nl_langinfo_l();
  #endif
- #endif
  
  #ifdef  __cplusplus
  }
  #endif
  
--- 142,161 ----