* arm-dis.c (print_insn_arm): Constify "insn". Formatting.

	* arm-dis.c (print_insn_arm): Constify "insn".  Formatting.
	(print_insn_thumb): Likewise.
	* h8500-dis.c (print_insn_h8500): Constify "opcode".
	* mcore-dis.c (print_insn_mcore): Constify "op".  Formatting.
	* ns32k-dis.c (print_insn_arg <case 'F'>): Use a union to avoid
	type-punned pointer warnings.
	<case 'L'>: Likewise.  Fix error message too.
	* pdp11-dis.c (print_reg): Warning fix.
	* sh-dis.c (print_movxy): Constify "op" param.
	(print_insn_ddt): Constify sh_opcode_info vars.
	(print_insn_ppi): Likewise.
	(print_insn_sh): Likewise.
	* tic30-dis.c (cnvt_tmsfloat_ieee): Use a union to avoid
	type-punned pointer warnings.
	* w65-dis.c (print_insn_w65): Constify "op".