remove support for non-ANSI compilation

*** 18,36 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_HOTPLUG_HPCTRL_H
  #define _SYS_HOTPLUG_HPCTRL_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * ****************************************************************
   * Hot Plug Controller interfaces for PCI and CompactPCI platforms.
   * ****************************************************************
   */
--- 18,36 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_HOTPLUG_HPCTRL_H
  #define _SYS_HOTPLUG_HPCTRL_H
  
  /*
   * ****************************************************************
   * Hot Plug Controller interfaces for PCI and CompactPCI platforms.
   * ****************************************************************
   */
*** 268,295 ****
  
  /*
   * function prototype definitions for interfaces between HPC driver
   * and Hot Plug Services framework.
   */
- #ifdef  __STDC__
  extern int hpc_slot_register(dev_info_t *dip, char *bus_path,
          hpc_slot_info_t *slot_info, hpc_slot_t *slot_hdl,
          hpc_slot_ops_t *slot_ops, caddr_t ops_arg, uint_t flags);
  extern int hpc_slot_unregister(hpc_slot_t *slot_hdl);
  extern struct hpc_slot_ops *hpc_alloc_slot_ops(int sleepflag);
  extern void hpc_free_slot_ops(hpc_slot_ops_t *ops);
  extern int hpc_slot_event_notify(hpc_slot_t slot_hdl, uint_t event,
          uint_t flags);
  extern boolean_t hpc_bus_registered(hpc_slot_t slot_hdl);
- #else
- extern int hpc_slot_register();
- extern int hpc_slot_unregister();
- extern struct hpc_slot_ops *hpc_alloc_slot_ops();
- extern void hpc_free_slot_ops();
- extern int hpc_slot_event_notify();
- extern boolean_t hpc_bus_registered();
- #endif  /* __STDC__ */
  
  /*
   * *****************************************************************
   * Implementation specific data structures and definitons. These are
   * the private interfaces between cfgadm plug-in and the PCI nexus
--- 268,286 ----