remove support for non-ANSI compilation

@@ -18,19 +18,19 @@
  * 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_REBOOT_H
 #define _SYS_REBOOT_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #ifndef _ASM
 #include <sys/types.h>
 #endif
 
 #ifdef  __cplusplus

@@ -63,15 +63,11 @@
 #define RB_NOBOOTCLUSTER        0x00040000 /* don't boot as a cluster */
 #define RB_DEBUGENTER           0x00080000 /* enter the debugger at boot */
 
 #ifndef _ASM
 
-#if defined(__STDC__)
 extern int reboot(int, char *);
-#else
-extern int reboot();
-#endif
 
 #if defined(_KERNEL)
 
 extern int boothowto;