Fix windows docker build

Author: tommysitu

hoverctl/cmd/utils.go

@@ -3,13 +3,11 @@ package cmd
 import (
 	"bufio"
 	"fmt"
-	"os"
-	"strings"
-	"syscall"
-
 	"github.com/SpectoLabs/hoverfly/hoverctl/configuration"
 	"github.com/olekukonko/tablewriter"
 	"golang.org/x/crypto/ssh/terminal"
+	"os"
+	"strings"
 )
 
 func handleIfError(err error) {
@@ -59,7 +57,7 @@ func askForInput(value string, sensitive bool) string {
 	for {
 		fmt.Printf(value + ": ")
 		if sensitive {
-			responseBytes, err := terminal.ReadPassword(syscall.Stdin)
+			responseBytes, err := terminal.ReadPassword(int(os.Stdin.Fd()))
 			handleIfError(err)
 			fmt.Println("")