vendor folder bump.

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

@@ -4,6 +4,8 @@
 
 package ipv4
 
+import "golang.org/x/net/internal/socket"
+
 // Sticky socket options
 const (
 	ssoTOS                = iota // header field for unicast packet
@@ -24,16 +26,12 @@ const (
 	ssoLeaveSourceGroup          // source-specific multicast
 	ssoBlockSourceGroup          // any-source or source-specific multicast
 	ssoUnblockSourceGroup        // any-source or source-specific multicast
-	ssoMax
+	ssoAttachFilter              // attach BPF for filtering inbound traffic
 )
 
 // Sticky socket option value types
 const (
-	ssoTypeByte = iota + 1
-	ssoTypeInt
-	ssoTypeInterface
-	ssoTypeICMPFilter
-	ssoTypeIPMreq
+	ssoTypeIPMreq = iota + 1
 	ssoTypeIPMreqn
 	ssoTypeGroupReq
 	ssoTypeGroupSourceReq
@@ -41,6 +39,6 @@ const (
 
 // A sockOpt represents a binding for sticky socket option.
 type sockOpt struct {
-	name int // option name, must be equal or greater than 1
-	typ  int // option value type, must be equal or greater than 1
+	socket.Option
+	typ int // hint for option value type; optional
 }