* config/tc-m88k.c (get_reg): Make reg_prefix param unsigned.

	* config/tc-m88k.c (get_reg): Make reg_prefix param unsigned.
	(calcop): Ditto for reg_prefix var.
	(hexval): Add cast to fix signed/unsigned warning.
	(md_number_to_disp): Delete unused function.
	(md_number_to_field): Likewise.
	(float_cons, cons, s_globl, s_space, s_set, s_lcomm): Remove decl.
	(match_name): Prototype.
	(get_bf2): Prototype.
	(get_bf_offset_expression): Prototype.