remove support for non-ANSI compilation

*** 18,50 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _PCSAMPLE_H
  #define _PCSAMPLE_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/types.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /*
   * PC sampling profiling
   */
- #ifdef __STDC__
  long pcsample(uintptr_t [], long);
- #else
- long pcsample();
- #endif /* __STDC__ */
  
  #ifdef __cplusplus
  }
  #endif
  
--- 18,46 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _PCSAMPLE_H
  #define _PCSAMPLE_H
  
  #include <sys/types.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /*
   * PC sampling profiling
   */
  long pcsample(uintptr_t [], long);
  
  #ifdef __cplusplus
  }
  #endif