remove support for non-ANSI compilation

*** 18,36 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 1998-2002 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_CONFIG_ADMIN_H
  #define _SYS_CONFIG_ADMIN_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * config_admin.h
   *
   * this file supports usage of the interfaces defined in
   * config_admin.3x. which are contained in /usr/lib/libcfgadm.so.1
--- 18,36 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 1998-2002 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_CONFIG_ADMIN_H
  #define _SYS_CONFIG_ADMIN_H
  
  /*
   * config_admin.h
   *
   * this file supports usage of the interfaces defined in
   * config_admin.3x. which are contained in /usr/lib/libcfgadm.so.1
*** 174,185 ****
          CFGA_APID_NOEXIST,
          CFGA_ATTR_INVAL
  } cfga_err_t;
  
  
- #if defined(__STDC__)
- 
  /*
   * config_admin.3x library interfaces
   */
  
  cfga_err_t config_change_state(cfga_cmd_t state_change_cmd, int num_ap_ids,
--- 174,183 ----
*** 254,270 ****
      const char *, char **);
  
  
  #endif /* CFGA_PLUGIN_LIB */
  
- #else /* !defined __STDC__ */
- 
- extern const char *config_strerror();
- extern int config_ap_id_cmp();
- 
- #endif /* __STDC__ */
- 
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _SYS_CONFIG_ADMIN_H */
--- 252,261 ----