* ChangeLog: Fix typo in last entry.

* include/winsock2.h (IPPROTO_*): Add IPv6 defines.
	* include/ws2tcpip.h: (IP_*): Add new defines.
	(INET_ADDRSTRLEN, INET6_ADDRSTRLEN): Add defines.
	(NI_*): Add getnameinfo constants and bitmasks.
	(AI_*): Add getaddrinfo flags.
	(EAI_*): Add getaddrinfo error codes.
	(ip_mreq_source): Add new structure.
	(ip_msfilter): Add new structure.
	(IP_MSFILTER_SIZE): Add new macro.
	(in_pktinfo): Add new structure.
	Add preliminary IPv6 support.
	(in6_addr): Add new structure and some defines.
	(sockaddr_in6): Add new structure.
	(in6addr_any, in6addr_loopback): Declare extern structures.
	(IN6ADDR_ANY_INIT,IN6ADDR_LOOPBACK_INIT): Add
	initialization macros for above.
	(IN6_ARE_ADDR_EQUAL): Define macro.
	(IN6_IS_ADDR_*): Define address testing macros.
	(socklen_t) Add new typedef.
	(ipv6_mreq): Add new structure.
	(in6_pktinfo): Same.
	(addrinfo): Same.
	(freeaddrinfo):Add new prototype.
	(getaddrinfo): Same.
	(gai_strerror[AW]): Same.
	(getnameinfo): Same.
	(sockaddr_in6_old): Add structure.
	(sockaddr_gen): Add union definition.
	(INTERFACE_INFO): Use sockaddr_gen as members.
	(INTERFACE_INFO_OLD): Add comment on workaround for problems
	with INTERFACE_INFO on NT4 prior to sp4.
.

winsup/w32api/include/winsock2.h

@@ -167,6 +167,16 @@ struct  protoent {
 #define IPPROTO_ND	77
 #define IPPROTO_RAW	255
 #define IPPROTO_MAX	256
+/* IPv6 options */
+#define IPPROTO_HOPOPTS		0  /* IPv6 Hop-by-Hop options */
+#define IPPROTO_IPV6		41 /* IPv6 header */
+#define IPPROTO_ROUTING		43 /* IPv6 Routing header */
+#define IPPROTO_FRAGMENT	44 /* IPv6 fragmentation header */
+#define IPPROTO_ESP		50 /* encapsulating security payload */
+#define IPPROTO_AH		51 /* authentication header */
+#define IPPROTO_ICMPV6		58 /* ICMPv6 */
+#define IPPROTO_NONE		59 /* IPv6 no next header */
+#define IPPROTO_DSTOPTS		60 /* IPv6 Destination options */
 #define IPPORT_ECHO	7
 #define IPPORT_DISCARD	9
 #define IPPORT_SYSTAT	11