Run gofmt -w -s *.go (#1408)

Signed-off-by: Miek Gieben <miek@miek.nl>

Signed-off-by: Miek Gieben <miek@miek.nl>

acceptfunc.go

@@ -19,7 +19,6 @@ type MsgAcceptFunc func(dh Header) MsgAcceptAction
 // * has more than 0 RRs in the Authority section
 //
 // * has more than 2 RRs in the Additional section
-//
 var DefaultMsgAcceptFunc MsgAcceptFunc = defaultMsgAcceptFunc
 
 // MsgAcceptAction represents the action to be taken.

client.go

@@ -431,7 +431,6 @@ func ExchangeContext(ctx context.Context, m *Msg, a string) (r *Msg, err error)
 //	co.WriteMsg(m)
 //	in, _  := co.ReadMsg()
 //	co.Close()
-//
 func ExchangeConn(c net.Conn, m *Msg) (r *Msg, err error) {
 	println("dns: ExchangeConn: this function is deprecated")
 	co := new(Conn)

doc.go

@@ -96,7 +96,7 @@ the Answer section:
 		// do something with t.Txt
 	}
 
-Domain Name and TXT Character String Representations
+# Domain Name and TXT Character String Representations
 
 Both domain names and TXT character strings are converted to presentation form
 both when unpacked and when converted to strings.
@@ -108,7 +108,7 @@ be escaped. Bytes below 32 and above 127 will be converted to \DDD form.
 For domain names, in addition to the above rules brackets, periods, spaces,
 semicolons and the at symbol are escaped.
 
-DNSSEC
+# DNSSEC
 
 DNSSEC (DNS Security Extension) adds a layer of security to the DNS. It uses
 public key cryptography to sign resource records. The public keys are stored in
@@ -122,7 +122,7 @@ bit to a request.
 
 Signature generation, signature verification and key generation are all supported.
 
-DYNAMIC UPDATES
+# DYNAMIC UPDATES
 
 Dynamic updates reuses the DNS message format, but renames three of the
 sections. Question is Zone, Answer is Prerequisite, Authority is Update, only
@@ -156,7 +156,7 @@ shows the options you have and what functions to call.
 	 NONE     rrset    rr       Delete an RR from RRset     dns.Remove
 	 zone     rrset    rr       Add to an RRset             dns.Insert
 
-TRANSACTION SIGNATURE
+# TRANSACTION SIGNATURE
 
 An TSIG or transaction signature adds a HMAC TSIG record to each message sent.
 The supported algorithms include: HmacSHA1, HmacSHA256 and HmacSHA512.
@@ -239,7 +239,7 @@ Basic use pattern validating and replying to a message that has TSIG set.
 		w.WriteMsg(m)
 	}
 
-PRIVATE RRS
+# PRIVATE RRS
 
 RFC 6895 sets aside a range of type codes for private use. This range is 65,280
 - 65,534 (0xFF00 - 0xFFFE). When experimenting with new Resource Records these
@@ -248,7 +248,7 @@ can be used, before requesting an official type code from IANA.
 See https://miek.nl/2014/september/21/idn-and-private-rr-in-go-dns/ for more
 information.
 
-EDNS0
+# EDNS0
 
 EDNS0 is an extension mechanism for the DNS defined in RFC 2671 and updated by
 RFC 6891. It defines a new RR type, the OPT RR, which is then completely

duplicate_generate.go

@@ -1,3 +1,4 @@
+//go:build ignore
 // +build ignore
 
 // types_generate.go is meant to run with go generate. It will use

fuzz.go

@@ -1,3 +1,4 @@
+//go:build fuzz
 // +build fuzz
 
 package dns

listen_no_reuseport.go

@@ -1,3 +1,4 @@
+//go:build !go1.11 || (!aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd)
 // +build !go1.11 !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd
 
 package dns

listen_reuseport.go

@@ -1,3 +1,4 @@
+//go:build go1.11 && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd)
 // +build go1.11
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 

msg_generate.go

@@ -1,3 +1,4 @@
+//go:build ignore
 // +build ignore
 
 // msg_generate.go is meant to run with go generate. It will use

tools.go

@@ -1,3 +1,4 @@
+//go:build tools
 // +build tools
 
 // We include our tool dependencies for `go generate` here to ensure they're

types_generate.go

@@ -1,3 +1,4 @@
+//go:build ignore
 // +build ignore
 
 // types_generate.go is meant to run with go generate. It will use

udp.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package dns

udp_test.go

@@ -1,3 +1,4 @@
+//go:build linux && !appengine
 // +build linux,!appengine
 
 package dns

udp_windows.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package dns

xfr.go

@@ -44,7 +44,6 @@ func (t *Transfer) tsigProvider() TsigProvider {
 //	dnscon := &dns.Conn{Conn:con}
 //	transfer = &dns.Transfer{Conn: dnscon}
 //	channel, err := transfer.In(message, master)
-//
 func (t *Transfer) In(q *Msg, a string) (env chan *Envelope, err error) {
 	switch q.Question[0].Qtype {
 	case TypeAXFR, TypeIXFR: