net: Add NEXTHDR_SCTP to ipv6.h

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Jesse Gross <jesse@nicira.com>
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 5fe5649..7bdff04 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -41,6 +41,7 @@
 #define NEXTHDR_ICMP		58	/* ICMP for IPv6. */
 #define NEXTHDR_NONE		59	/* No next header */
 #define NEXTHDR_DEST		60	/* Destination options header. */
+#define NEXTHDR_SCTP		132	/* SCTP message. */
 #define NEXTHDR_MOBILITY	135	/* Mobility header. */
 
 #define NEXTHDR_MAX		255