* ldlang.h (lang_input_statement_type): Use bitfields for booleans.

	* ldlang.h (lang_input_statement_type): Use bitfields for booleans.
	* ldlang.c (struct out_section_hash_entry): Rename from
	output_statement_hash_entry.  Delete output_section_statement_type
	entry.  Add statement_union_type entry.  Adjust all users.
	(output_section_statement_table): Rename from output_statement_table.
	Adjust all users.
	(output_section_statement_newfunc): Rename from
	output_statement_newfunc.  Adjust all users.
	(output_section_statement_table_init): Rename from
	output_statement_table_init.  Adjust all users.
	(output_section_statement_table_free): Rename from
	output_statement_table_free.  Adjust all users.