score-protos.h (score_function_arg): Delete.

score-protos.h (score_function_arg): Delete.

	* config/score/score-protos.h (score_function_arg): Delete.
	(score_function_arg_advance): Delete.
	* config/score/score3.h (score3_function_arg_advance): Take a
	const_tree and a bool.
	(score3_function_arg): Likewise.
	* config/score/score7.h (score7_function_arg_advance): Likewise.
	(score7_function_arg): Likewise.
	* config/score/score3.c (score3_classify_arg): Likewise.
	(score3_function_arg_advance, score3_function_arg): Likewise.
	* config/score/score7.c (score7_classify_arg): Likewise.
	(score7_function_arg_advance, score7_function_arg): Likewise.
	* config/score/score.c (score_function_arg_advance): Likewise.
	(score_function_arg): Likewise.  De-const-ify `cum' argument.
	(TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

From-SVN: r165181