remove support for non-ANSI compilation

*** 17,26 ****
--- 17,28 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _FC_TYPES_H
*** 58,72 ****
  #endif  /* _KERNEL */
  
  #ifndef _SYS_SCSI_SCSI_TYPES_H
  
  
- #ifdef  __STDC__
  typedef void *opaque_t;
- #else   /* __STDC__ */
- typedef char *opaque_t;
- #endif  /* __STDC__ */
  
  #endif /* _SYS_SCSI_SCSI_TYPES_H */
  
  /* Sysevent defs */
  #define EC_SUNFC                "EC_sunfc"
--- 60,70 ----