Support curl compiled without IPv6 support.

	# $2 - port

	# $3 - ip

	# $4+ - curl params

	local connect_to="--connect-to $1::[$3]${2:+:$2}" arg

	local ip="$3"

	case "$ip" in

		*:*) ip="[$ip]" ;;

	esac

	local connect_to="--connect-to $1::$ip${2:+:$2}" arg

	shift ; shift ; shift

	[ "$CURL_VERBOSE" = 1 ] && arg="-v"

	[ "$CURL_CMD" = 1 ] && echo $CURL ${arg:+$arg }$connect_to "$@"