cmd/geth: fix --password typo

cmd/utils/flags.go

@@ -305,7 +305,7 @@ var (
 	}
 	PasswordFileFlag = cli.StringFlag{
 		Name:  "password",
-		Usage: "Password file to use for non-inteactive password input",
+		Usage: "Password file to use for non-interactive password input",
 		Value: "",
 	}