Update.

Update.

	* conform/conformtest.pl: Implement optional-type.

	* resolv/netdb.h: Include <netinet/in.h> not <sys/socket.h>.  Include
	<rpc/netdb.h> only if __USE_MISC.  Include <stdint.h> instead of
	defining uint32_t here.  Define IPPORT_RESERVED.
	(struct hostent): Type of h_length element is int.
	(getnameinfo): Type of flags parameter is unsigned int.
	* inet/getnameinfo.c (getnameinfo): flags argument is unsigned.
	* conform/data/netdb.h-data: Add many missing definitions.