config/pa: Use rtx_insn

config/pa: Use rtx_insn

gcc/
	* config/pa/pa-protos.h (pa_output_call): Strengthen first param
	from rtx to rtx_insn *.
	(pa_output_indirect_call): Likewise.
	(pa_adjust_insn_length): Likewise.
	(pa_attr_length_millicode_call): Likewise.
	(pa_attr_length_call): Likewise.
	(pa_attr_length_indirect_call): Likewise.

	* config/pa/pa.c (pa_adjust_insn_length): Likewise for param
	"insn".
	(pa_attr_length_millicode_call): Likewise.
	(pa_attr_length_call): Likewise.
	(pa_output_call): Likewise.
	(pa_attr_length_indirect_call): Likewise.
	(pa_output_indirect_call): Likewise.

From-SVN: r214452