c-common.h (truthvalue_conversion, [...]): Delete redundant declarations.

c-common.h (truthvalue_conversion, [...]): Delete redundant declarations.

	* c-common.h (truthvalue_conversion, type_for_mode,
	type_for_size): Delete redundant declarations.

	* c-lex.h (is_class_name): Likewise.

	* c-tree.h (pedantic, convert, getdecls, gettags,
	global_bindings_p, init_decl_processing, insert_block,
	maybe_build_cleanup, poplevel, print_lang_decl,
	print_lang_identifier, print_lang_type, pushdecl, pushlevel,
	set_block, incomplete_type_error, build_function_call,
	lvalue_or_else, mark_addressable): Likewise.

	* expr.h (expand_tree_builtin): Likewise.

From-SVN: r41309