Update dependencies

vendor/golang.org/x/net/ipv4/defs_aix.go

@@ -0,0 +1,39 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+	sysIP_OPTIONS     = C.IP_OPTIONS
+	sysIP_HDRINCL     = C.IP_HDRINCL
+	sysIP_TOS         = C.IP_TOS
+	sysIP_TTL         = C.IP_TTL
+	sysIP_RECVOPTS    = C.IP_RECVOPTS
+	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+	sysIP_RETOPTS     = C.IP_RETOPTS
+	// IP_RECVIF is defined on AIX but doesn't work.
+	// IP_RECVINTERFACE must be used instead.
+	sysIP_RECVIF  = C.IP_RECVINTERFACE
+	sysIP_RECVTTL = C.IP_RECVTTL
+
+	sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
+	sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
+	sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
+	sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
+	sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+
+	sizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+
+type ipMreq C.struct_ip_mreq