Don't use s6_addr32 since it's apparently non-portable. Use s6_addr

Don't use s6_addr32 since it's apparently non-portable. Use s6_addr

	* libsoup/soup-address.c (soup_address_hash): Don't use s6_addr32
	since it's apparently non-portable. Use s6_addr instead.
	(soup_gethostbyaddr): fix a sometimes-uninitialized variable.

	* libsoup/soup-message.c (soup_message_get_request_header, etc):
	Remove long-deprecated API.

	* libsoup/soup-socket.c (soup_socket_connect): remove unused
	variable.

	* libsoup/soup-openssl.c (soup_openssl_read): Use gsize.
	* libsoup/soup-server.c (cgi_read): Likewise
	* libsoup/soup-socks.c (soup_socks_write, soup_socks_read):
	Likewise.
	* libsoup/soup-ssl-proxy.c (soup_ssl_proxy_readwrite): Likewise.
	* libsoup/soup-transfer.c (soup_transfer_read_cb,
	soup_transfer_write_cb): Likewise.