lif: rename internal types

This is a followup to https://go-review.googlesource.com/30576.

Change-Id: I48bc5f1781275d2cef963876745fa59ac08b5eb5
Reviewed-on: https://go-review.googlesource.com/43070
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

lif/defs_solaris.go

@@ -75,7 +75,7 @@ const (
 	sizeofLifIfinfoReq = C.sizeof_struct_lif_ifinfo_req
 )
 
-type sysLifnum C.struct_lifnum
+type lifnum C.struct_lifnum
 
 type lifreq C.struct_lifreq
 

lif/link.go

@@ -70,7 +70,7 @@ func Links(af int, name string) ([]Link, error) {
 
 func links(eps []endpoint, name string) ([]Link, error) {
 	var lls []Link
-	lifn := sysLifnum{Flags: sysLIFC_NOXMIT | sysLIFC_TEMPORARY | sysLIFC_ALLZONES | sysLIFC_UNDER_IPMP}
+	lifn := lifnum{Flags: sysLIFC_NOXMIT | sysLIFC_TEMPORARY | sysLIFC_ALLZONES | sysLIFC_UNDER_IPMP}
 	lifc := lifconf{Flags: sysLIFC_NOXMIT | sysLIFC_TEMPORARY | sysLIFC_ALLZONES | sysLIFC_UNDER_IPMP}
 	for _, ep := range eps {
 		lifn.Family = uint16(ep.af)

lif/zsys_solaris_amd64.go

@@ -65,7 +65,7 @@ const (
 	sizeofLifIfinfoReq = 0x10
 )
 
-type sysLifnum struct {
+type lifnum struct {
 	Family    uint16
 	Pad_cgo_0 [2]byte
 	Flags     int32