gdb/

gdb/
	No functionality change.
	* breakpoint.c (bpstat_clear_actions): Remove the BS parameter, make
	function comment a reference, new variables tp and bs, move here code
	from throw_exception.
	* breakpoint.h (bpstat_clear_actions): Remove the BS parameter,
	describe it in the comment.
	* exceptions.c (throw_exception): Remove variable tp, move the code for
	bpstat_clear_actions to bpstat_clear_actions.