2008-07-19  Barry deFreese  <bddebian@comcast.net>

	* chips/busses.h (struct bus_ctlr): *intr return void instead of int.
	* i386/i386/ipl.h (ivect[]): return void instead of int.
	* i386/i386at/pic_isa.h (ivect[]): Likewise.
	* i386/i386at/kd_mouse.c (mouseintr): Likewise.
	* i386/i386at/com.c (comintr): Likewise.
	* i386/i386at/kd.c (kdcnputc, kdstart, kdintr): Likewise.
	* i386/i386/trap.c (exception, thread_exception_return, i386_exception):
	 Add __attribute__ ((noreturn)).
	* i386/i386at/kd.c (kdcnputc, kdstart, kdintr): Return void instead 
	of int. (kdstop, kdcnprobe): Return 0 at end of function.
	* i386/i386at/lpr.c (lprintr, lprstart): Return void instead of int.
	(lprstart): Don't return numeric values any longer.
	* kern/eventcount.c (evc_wait_clear): Return a value.
	* kern/exceptions.c (exception, exception_try_task, exception_no_server, 
	exception_raise, exception_raise_continue, exception_raise_continue_slow, 
	exception_raise_continue_fast): Add __attribute__ ((noreturn)).
	(exception, exceptio_try_task, exception_raise, 
	exception_raise_continue_slow, exception_raise_continue_fast): 
	Remove spurious returns.
	(exception_no_server): Add panic() on return from thread_halt_self().