net: fix inconsistent error values on Lookup

This change fixes inconsistent error values on
Lookup{Addr,CNAME,Host,IP.MX,NS,Port,SRV,TXT}.

Updates #4856.

Change-Id: I059bc8ffb96ee74dff8a8c4e8e6ae3e4a462a7ef
Reviewed-on: https://go-review.googlesource.com/9108
Reviewed-by: Ian Lance Taylor <iant@golang.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/net/lookup.go b/src/net/lookup.go
index 5adcd8bb68..e2becc5a90 100644
--- a/src/net/lookup.go
+++ b/src/net/lookup.go
@@ -132,22 +132,22 @@ func LookupSRV(service, proto, name string) (cname string, addrs []*SRV, err err
 }
 
 // LookupMX returns the DNS MX records for the given domain name sorted by preference.
-func LookupMX(name string) (mx []*MX, err error) {
+func LookupMX(name string) (mxs []*MX, err error) {
 	return lookupMX(name)
 }
 
 // LookupNS returns the DNS NS records for the given domain name.
-func LookupNS(name string) (ns []*NS, err error) {
+func LookupNS(name string) (nss []*NS, err error) {
 	return lookupNS(name)
 }
 
 // LookupTXT returns the DNS TXT records for the given domain name.
-func LookupTXT(name string) (txt []string, err error) {
+func LookupTXT(name string) (txts []string, err error) {
 	return lookupTXT(name)
 }
 
 // LookupAddr performs a reverse lookup for the given address, returning a list
 // of names mapping to that address.
-func LookupAddr(addr string) (name []string, err error) {
+func LookupAddr(addr string) (names []string, err error) {
 	return lookupAddr(addr)
 }