Update golang.org/x/crypto import paths to new location.

address.go

@@ -8,11 +8,10 @@ import (
 	"encoding/hex"
 	"errors"
 
-	"golang.org/x/crypto/ripemd160"
-
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcutil/base58"
+	"github.com/btcsuite/golangcrypto/ripemd160"
 )
 
 var (

address_test.go

@@ -11,11 +11,10 @@ import (
 	"reflect"
 	"testing"
 
-	"golang.org/x/crypto/ripemd160"
-
 	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
+	"github.com/btcsuite/golangcrypto/ripemd160"
 )
 
 // invalidNet is an invalid bitcoin network.

hash160.go

@@ -7,9 +7,8 @@ package btcutil
 import (
 	"hash"
 
-	"golang.org/x/crypto/ripemd160"
-
 	"github.com/btcsuite/fastsha256"
+	"github.com/btcsuite/golangcrypto/ripemd160"
 )
 
 // Calculate the hash of hasher over buf.

internal_test.go

@@ -12,10 +12,9 @@ interface. The functions are only exported while the tests are being run.
 package btcutil
 
 import (
-	"golang.org/x/crypto/ripemd160"
-
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcutil/base58"
+	"github.com/btcsuite/golangcrypto/ripemd160"
 )
 
 // SetBlockBytes sets the internal serialized block byte buffer to the passed