* ldlang.h (lang_output_section_statement_type): Add prev.

	* ldlang.h (lang_output_section_statement_type): Add prev.
	* ldlang.c (new_afile): Always init header.type.
	(output_statement_newfunc): Set os.prev.
	(output_prev_sec_find): Use os.prev.
	(lang_enter_output_section_statement): Formatting.
	(lang_final, lang_add_target, lang_add_fill): Likewise.
	(lang_add_data, lang_add_reloc): Likewise.
	(lang_add_attribute): Only alloc the header.