remove support for non-ANSI compilation

*** 18,36 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_INT_TYPES_H
  #define _SYS_INT_TYPES_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * This file, <sys/int_types.h>, is part of the Sun Microsystems implementation
   * of <inttypes.h> defined in the ISO C standard, ISO/IEC 9899:1999
   * Programming language - C.
   *
--- 18,36 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_INT_TYPES_H
  #define _SYS_INT_TYPES_H
  
  /*
   * This file, <sys/int_types.h>, is part of the Sun Microsystems implementation
   * of <inttypes.h> defined in the ISO C standard, ISO/IEC 9899:1999
   * Programming language - C.
   *
*** 72,85 ****
   * signed integral.
   */
  #if defined(_CHAR_IS_SIGNED)
  typedef char                    int8_t;
  #else
- #if defined(__STDC__)
  typedef signed char             int8_t;
  #endif
- #endif
  typedef short                   int16_t;
  typedef int                     int32_t;
  #ifdef  _LP64
  #define _INT64_TYPE
  typedef long                    int64_t;
--- 72,83 ----
*** 131,144 ****
   * specified number of bits.
   */
  #if defined(_CHAR_IS_SIGNED)
  typedef char                    int_fast8_t;
  #else
- #if defined(__STDC__)
  typedef signed char             int_fast8_t;
  #endif
- #endif
  typedef int                     int_fast16_t;
  typedef int                     int_fast32_t;
  #ifdef  _LP64
  typedef long                    int_fast64_t;
  #else   /* _ILP32 */
--- 129,140 ----
*** 163,176 ****
   * specified number of bits.
   */
  #if defined(_CHAR_IS_SIGNED)
  typedef char                    int_least8_t;
  #else
- #if defined(__STDC__)
  typedef signed char             int_least8_t;
  #endif
- #endif
  typedef short                   int_least16_t;
  typedef int                     int_least32_t;
  #ifdef  _LP64
  typedef long                    int_least64_t;
  #else   /* _ILP32 */
--- 159,170 ----